627626313138 has 16 divisors (see below), whose sum is σ = 1369366501536. Its totient is φ = 190189791840.

The previous prime is 627626313077. The next prime is 627626313143. The reversal of 627626313138 is 831313626726.

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, 4754744731 + ... + 4754744862.

It is an arithmetic number, because the mean of its divisors is an integer number (85585406346).

Almost surely, 2^627626313138 is an apocalyptic number.

627626313138 is an abundant number, since it is smaller than the sum of its proper divisors (741740188398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627626313138 is a wasteful number, since it uses less digits than its factorization.

627626313138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509489609.

The product of its digits is 1306368, while the sum is 48.

The spelling of 627626313138 in words is "six hundred twenty-seven billion, six hundred twenty-six million, three hundred thirteen thousand, one hundred thirty-eight".