87747795763200 has 1440 divisors, whose sum is σ = 336747140553600. Its totient is φ = 22372637736960.

The previous prime is 87747795763109. The next prime is 87747795763213. The reversal of 87747795763200 is 236759774778.

87747795763200 is a `hidden beast` number, since 8 + 7 + 7 + 47 + 7 + 9 + 576 + 3 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×87747795763200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34316696322 + ... + 34316698878.

It is an arithmetic number, because the mean of its divisors is an integer number (233852180940).

Almost surely, 2^{87747795763200} is an apocalyptic number.

87747795763200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87747795763200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168373570276800).

87747795763200 is an abundant number, since it is smaller than the sum of its proper divisors (248999344790400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87747795763200 is a wasteful number, since it uses less digits than its factorization.

87747795763200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 871274880, while the sum is 72.

The spelling of 87747795763200 in words is "eighty-seven trillion, seven hundred forty-seven billion, seven hundred ninety-five million, seven hundred sixty-three thousand, two hundred".