80738887864320 has 832 divisors, whose sum is σ = 347338639434240. Its totient is φ = 17369023905792.

The previous prime is 80738887864301. The next prime is 80738887864333. The reversal of 80738887864320 is 2346878883708.

80738887864320 is a `hidden beast` number, since 8 + 0 + 7 + 38 + 8 + 87 + 86 + 432 + 0 = 666.

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 63 ways as a sum of consecutive naturals, for example, 65188744 + ... + 66415736.

Almost surely, 2^{80738887864320} is an apocalyptic number.

80738887864320 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 80738887864320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173669319717120).

80738887864320 is an abundant number, since it is smaller than the sum of its proper divisors (266599751569920).

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

80738887864320 is a wasteful number, since it uses less digits than its factorization.

80738887864320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227055 (or 1227027 counting only the distinct ones).

The product of its (nonzero) digits is 693633024, while the sum is 72.

The spelling of 80738887864320 in words is "eighty trillion, seven hundred thirty-eight billion, eight hundred eighty-seven million, eight hundred sixty-four thousand, three hundred twenty".