80635846544 has 20 divisors (see below), whose sum is σ = 170434857840. Its totient is φ = 36652657440.

The previous prime is 80635846493. The next prime is 80635846567. The reversal of 80635846544 is 44564853608.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 229078934 + ... + 229079285.

It is an arithmetic number, because the mean of its divisors is an integer number (8521742892).

Almost surely, 2^80635846544 is an apocalyptic number.

It is an amenable number.

80635846544 is an abundant number, since it is smaller than the sum of its proper divisors (89799011296).

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

80635846544 is a wasteful number, since it uses less digits than its factorization.

80635846544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458158238 (or 458158232 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 80635846544 in words is "eighty billion, six hundred thirty-five million, eight hundred forty-six thousand, five hundred forty-four".