80771027564 has 6 divisors (see below), whose sum is σ = 141349298244. Its totient is φ = 40385513780.

The previous prime is 80771027549. The next prime is 80771027587. The reversal of 80771027564 is 46572017708.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096378442 + ... + 10096378449.

It is an arithmetic number, because the mean of its divisors is an integer number (23558216374).

Almost surely, 2^80771027564 is an apocalyptic number.

It is an amenable number.

80771027564 is a deficient number, since it is larger than the sum of its proper divisors (60578270680).

80771027564 is a wasteful number, since it uses less digits than its factorization.

80771027564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192756895 (or 20192756893 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 80771027564 in words is "eighty billion, seven hundred seventy-one million, twenty-seven thousand, five hundred sixty-four".