87448697280 has 896 divisors, whose sum is σ = 370266163200. Its totient is φ = 19006783488.

The previous prime is 87448697263. The next prime is 87448697311. The reversal of 87448697280 is 8279684478.

87448697280 is a `hidden beast` number, since 8 + 7 + 4 + 486 + 9 + 72 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 128035819 + ... + 128036501.

Almost surely, 2^87448697280 is an apocalyptic number.

87448697280 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 87448697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185133081600).

87448697280 is an abundant number, since it is smaller than the sum of its proper divisors (282817465920).

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

87448697280 is a wasteful number, since it uses less digits than its factorization.

87448697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 87448697280 in words is "eighty-seven billion, four hundred forty-eight million, six hundred ninety-seven thousand, two hundred eighty".