80748378232992 has 240 divisors, whose sum is σ = 238492421798400. Its totient is φ = 26801479272960.

The previous prime is 80748378232981. The next prime is 80748378233059. The reversal of 80748378232992 is 29923287384708.

80748378232992 is a `hidden beast` number, since 8 + 0 + 74 + 83 + 78 + 2 + 329 + 92 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80748378232992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 572292309 + ... + 572433387.

It is an arithmetic number, because the mean of its divisors is an integer number (993718424160).

Almost surely, 2^{80748378232992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80748378232992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119246210899200).

80748378232992 is an abundant number, since it is smaller than the sum of its proper divisors (157744043565408).

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

80748378232992 is a wasteful number, since it uses less digits than its factorization.

80748378232992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142041 (or 142024 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 80748378232992 in words is "eighty trillion, seven hundred forty-eight billion, three hundred seventy-eight million, two hundred thirty-two thousand, nine hundred ninety-two".