77751396711 has 24 divisors (see below), whose sum is σ = 113680607040. Its totient is φ = 51201697536.

The previous prime is 77751396643. The next prime is 77751396757. The reversal of 77751396711 is 11769315777.

It is not a de Polignac number, because 77751396711 - 2²³ = 77743008103 is a prime.

It is a super-2 number, since 2×77751396711² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77751396781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780450 + ... + 874416.

It is an arithmetic number, because the mean of its divisors is an integer number (4736691960).

Almost surely, 2^77751396711 is an apocalyptic number.

77751396711 is a deficient number, since it is larger than the sum of its proper divisors (35929210329).

77751396711 is a wasteful number, since it uses less digits than its factorization.

77751396711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95095 (or 95092 counting only the distinct ones).

The product of its digits is 1944810, while the sum is 54.

The spelling of 77751396711 in words is "seventy-seven billion, seven hundred fifty-one million, three hundred ninety-six thousand, seven hundred eleven".