79963853760 has 336 divisors, whose sum is σ = 316104422400. Its totient is φ = 18174523392.

The previous prime is 79963853747. The next prime is 79963853773. The reversal of 79963853760 is 6735836997.

79963853760 is a `hidden beast` number, since 7 + 9 + 9 + 6 + 38 + 537 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (79963853747) and next prime (79963853773).

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×79963853760² (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 3597561 + ... + 3619719.

Almost surely, 2^79963853760 is an apocalyptic number.

79963853760 is a gapful number since it is divisible by the number (70) 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 79963853760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158052211200).

79963853760 is an abundant number, since it is smaller than the sum of its proper divisors (236140568640).

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

79963853760 is a wasteful number, since it uses less digits than its factorization.

79963853760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22368 (or 22355 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 79963853760 in words is "seventy-nine billion, nine hundred sixty-three million, eight hundred fifty-three thousand, seven hundred sixty".