80639992301832 has 24 divisors (see below), whose sum is σ = 218399979150990. Its totient is φ = 26879997433920.

The previous prime is 80639992301819. The next prime is 80639992301863. The reversal of 80639992301832 is 23810329993608.

80639992301832 is a `hidden beast` number, since 8 + 0 + 6 + 399 + 9 + 230 + 1 + 8 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50261662486116 + 30378329815716 = 7089546^2 + 5511654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 80639992301832.

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 5 ways as a sum of consecutive naturals, for example, 559999946469 + ... + 559999946612.

Almost surely, 2^{80639992301832} is an apocalyptic number.

It is an amenable number.

80639992301832 is an abundant number, since it is smaller than the sum of its proper divisors (137759986849158).

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

80639992301832 is a wasteful number, since it uses less digits than its factorization.

80639992301832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119999893093 (or 1119999893086 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 80639992301832 in words is "eighty trillion, six hundred thirty-nine billion, nine hundred ninety-two million, three hundred one thousand, eight hundred thirty-two".