77504427126634 has 64 divisors (see below), whose sum is σ = 128948316456960. Its totient is φ = 34772123707200.

The previous prime is 77504427126631. The next prime is 77504427126673. The reversal of 77504427126634 is 43662172440577.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77504427126631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1089320649 + ... + 1089391795.

It is an arithmetic number, because the mean of its divisors is an integer number (2014817444640).

Almost surely, 2^{77504427126634} is an apocalyptic number.

77504427126634 is a deficient number, since it is larger than the sum of its proper divisors (51443889330326).

77504427126634 is a wasteful number, since it uses less digits than its factorization.

77504427126634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83395.

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 77504427126634 in words is "seventy-seven trillion, five hundred four billion, four hundred twenty-seven million, one hundred twenty-six thousand, six hundred thirty-four".