77934004526 has 16 divisors (see below), whose sum is σ = 137910865920. Its totient is φ = 32322858840.

The previous prime is 77934004513. The next prime is 77934004537. The reversal of 77934004526 is 62540043977.

It is a super-2 number, since 2×77934004526² (a number of 23 digits) contains 22 as substring.

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, 89785286 + ... + 89786153.

It is an arithmetic number, because the mean of its divisors is an integer number (8619429120).

Almost surely, 2^77934004526 is an apocalyptic number.

77934004526 is a deficient number, since it is larger than the sum of its proper divisors (59976861394).

77934004526 is a wasteful number, since it uses less digits than its factorization.

77934004526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179571479.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 77934004526 in words is "seventy-seven billion, nine hundred thirty-four million, four thousand, five hundred twenty-six".