677048138 has 24 divisors (see below), whose sum is σ = 1104550668. Its totient is φ = 311106432.

The previous prime is 677048117. The next prime is 677048143. The reversal of 677048138 is 831840776.

It can be written as a sum of positive squares in 6 ways, for example, as 77141089 + 599907049 = 8783^2 + 24493^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74456 + ... + 83052.

Almost surely, 2^677048138 is an apocalyptic number.

677048138 is a deficient number, since it is larger than the sum of its proper divisors (427502530).

677048138 is a wasteful number, since it uses less digits than its factorization.

677048138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 677048138 is about 26020.1486928880. The cubic root of 677048138 is about 878.0916540285.

The spelling of 677048138 in words is "six hundred seventy-seven million, forty-eight thousand, one hundred thirty-eight".