157938775 has 24 divisors (see below), whose sum is σ = 199788800. Its totient is φ = 123832800.

The previous prime is 157938763. The next prime is 157938787. The reversal of 157938775 is 577839751.

It is an interprime number because it is at equal distance from previous prime (157938763) and next prime (157938787).

It is not a de Polignac number, because 157938775 - 2⁷ = 157938647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416536 + ... + 416914.

Almost surely, 2^157938775 is an apocalyptic number.

157938775 is a deficient number, since it is larger than the sum of its proper divisors (41850025).

157938775 is a wasteful number, since it uses less digits than its factorization.

157938775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 674 counting only the distinct ones).

The product of its digits is 1852200, while the sum is 52.

The square root of 157938775 is about 12567.3694542653. The cubic root of 157938775 is about 540.5421795012.

The spelling of 157938775 in words is "one hundred fifty-seven million, nine hundred thirty-eight thousand, seven hundred seventy-five".