77913544898 has 64 divisors (see below), whose sum is σ = 142836203520. Its totient is φ = 31154760000.

The previous prime is 77913544879. The next prime is 77913544901. The reversal of 77913544898 is 89844531977.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9447965 + ... + 9456207.

It is an arithmetic number, because the mean of its divisors is an integer number (2231815680).

Almost surely, 2^77913544898 is an apocalyptic number.

77913544898 is a deficient number, since it is larger than the sum of its proper divisors (64922658622).

77913544898 is a wasteful number, since it uses less digits than its factorization.

77913544898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063.

The product of its digits is 60963840, while the sum is 65.

The spelling of 77913544898 in words is "seventy-seven billion, nine hundred thirteen million, five hundred forty-four thousand, eight hundred ninety-eight".