71477005765 has 16 divisors (see below), whose sum is σ = 93934002240. Its totient is φ = 51780997120.

The previous prime is 71477005703. The next prime is 71477005777. The reversal of 71477005765 is 56750077417.

It is not a de Polignac number, because 71477005765 - 2²⁷ = 71342788037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2514235 + ... + 2542504.

It is an arithmetic number, because the mean of its divisors is an integer number (5870875140).

Almost surely, 2^71477005765 is an apocalyptic number.

It is an amenable number.

71477005765 is a deficient number, since it is larger than the sum of its proper divisors (22456996475).

71477005765 is a wasteful number, since it uses less digits than its factorization.

71477005765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057012.

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 71477005765 in words is "seventy-one billion, four hundred seventy-seven million, five thousand, seven hundred sixty-five".