80858732292 has 288 divisors, whose sum is σ = 233080848000. Its totient is φ = 23460433920.

The previous prime is 80858732281. The next prime is 80858732369. The reversal of 80858732292 is 29223785808.

It is a happy number.

80858732292 is a `hidden beast` number, since 8 + 0 + 8 + 587 + 32 + 29 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192980059 + ... + 192980477.

It is an arithmetic number, because the mean of its divisors is an integer number (809308500).

Almost surely, 2^80858732292 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 80858732292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116540424000).

80858732292 is an abundant number, since it is smaller than the sum of its proper divisors (152222115708).

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

80858732292 is a wasteful number, since it uses less digits than its factorization.

80858732292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 80858732292 in words is "eighty billion, eight hundred fifty-eight million, seven hundred thirty-two thousand, two hundred ninety-two".