80816764774 has 16 divisors (see below), whose sum is σ = 121932820800. Its totient is φ = 40172604264.

The previous prime is 80816764747. The next prime is 80816764783. The reversal of 80816764774 is 47746761808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527349 + ... + 1579375.

It is an arithmetic number, because the mean of its divisors is an integer number (7620801300).

Almost surely, 2^80816764774 is an apocalyptic number.

80816764774 is a deficient number, since it is larger than the sum of its proper divisors (41116056026).

80816764774 is a wasteful number, since it uses less digits than its factorization.

80816764774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56547.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 80816764774 in words is "eighty billion, eight hundred sixteen million, seven hundred sixty-four thousand, seven hundred seventy-four".