157916775 has 12 divisors (see below), whose sum is σ = 261089192. Its totient is φ = 84222240.

The previous prime is 157916767. The next prime is 157916779. The reversal of 157916775 is 577619751.

It is not a de Polignac number, because 157916775 - 2³ = 157916767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157916779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052704 + ... + 1052853.

Almost surely, 2^157916775 is an apocalyptic number.

157916775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157916775 is a deficient number, since it is larger than the sum of its proper divisors (103172417).

157916775 is a wasteful number, since it uses less digits than its factorization.

157916775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105570 (or 2105565 counting only the distinct ones).

The product of its digits is 463050, while the sum is 48.

The square root of 157916775 is about 12566.4941411676. The cubic root of 157916775 is about 540.5170801547.

The spelling of 157916775 in words is "one hundred fifty-seven million, nine hundred sixteen thousand, seven hundred seventy-five".