80827860836 has 6 divisors (see below), whose sum is σ = 141448756470. Its totient is φ = 40413930416.

The previous prime is 80827860809. The next prime is 80827860851. The reversal of 80827860836 is 63806872808.

It can be written as a sum of positive squares in only one way, i.e., 70718764900 + 10109095936 = 265930^2 + 100544^2 .

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 as a sum of consecutive naturals, namely, 10103482601 + ... + 10103482608.

It is an arithmetic number, because the mean of its divisors is an integer number (23574792745).

Almost surely, 2^80827860836 is an apocalyptic number.

It is an amenable number.

80827860836 is a deficient number, since it is larger than the sum of its proper divisors (60620895634).

80827860836 is a wasteful number, since it uses less digits than its factorization.

80827860836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206965213 (or 20206965211 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 80827860836 in words is "eighty billion, eight hundred twenty-seven million, eight hundred sixty thousand, eight hundred thirty-six".