80575636874 has 4 divisors (see below), whose sum is σ = 120863455314. Its totient is φ = 40287818436.

The previous prime is 80575636861. The next prime is 80575636901. The reversal of 80575636874 is 47863657508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64182675649 + 16392961225 = 253343^2 + 128035^2 .

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 as a sum of consecutive naturals, namely, 20143909217 + ... + 20143909220.

Almost surely, 2^80575636874 is an apocalyptic number.

80575636874 is a deficient number, since it is larger than the sum of its proper divisors (40287818440).

80575636874 is a wasteful number, since it uses less digits than its factorization.

80575636874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40287818439.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 80575636874 in words is "eighty billion, five hundred seventy-five million, six hundred thirty-six thousand, eight hundred seventy-four".