77438948903098 has 16 divisors (see below), whose sum is σ = 117073845872640. Its totient is φ = 38414337723216.

The previous prime is 77438948903083. The next prime is 77438948903189. The reversal of 77438948903098 is 89030984983477.

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, 39929763 + ... + 41824201.

It is an arithmetic number, because the mean of its divisors is an integer number (7317115367040).

Almost surely, 2^{77438948903098} is an apocalyptic number.

77438948903098 is a deficient number, since it is larger than the sum of its proper divisors (39634896969542).

77438948903098 is a wasteful number, since it uses less digits than its factorization.

77438948903098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055501.

The product of its (nonzero) digits is 2633637888, while the sum is 79.

The spelling of 77438948903098 in words is "seventy-seven trillion, four hundred thirty-eight billion, nine hundred forty-eight million, nine hundred three thousand, ninety-eight".