80355023432 has 8 divisors (see below), whose sum is σ = 150665668950. Its totient is φ = 40177511712.

The previous prime is 80355023431. The next prime is 80355023443. The reversal of 80355023432 is 23432055308.

It can be written as a sum of positive squares in only one way, i.e., 80085604036 + 269419396 = 282994^2 + 16414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 80355023392 and 80355023401.

It is not an unprimeable number, because it can be changed into a prime (80355023431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022188957 + ... + 5022188972.

Almost surely, 2^80355023432 is an apocalyptic number.

It is an amenable number.

80355023432 is a deficient number, since it is larger than the sum of its proper divisors (70310645518).

80355023432 is a wasteful number, since it uses less digits than its factorization.

80355023432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044377935 (or 10044377931 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 80355023432 in words is "eighty billion, three hundred fifty-five million, twenty-three thousand, four hundred thirty-two".