157797933 has 8 divisors (see below), whose sum is σ = 216083808. Its totient is φ = 102355344.

The previous prime is 157797853. The next prime is 157797947. The reversal of 157797933 is 339797751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157797933 - 2⁸ = 157797677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157797953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710691 + ... + 710912.

It is an arithmetic number, because the mean of its divisors is an integer number (27010476).

Almost surely, 2^157797933 is an apocalyptic number.

It is an amenable number.

157797933 is a deficient number, since it is larger than the sum of its proper divisors (58285875).

157797933 is a wasteful number, since it uses less digits than its factorization.

157797933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421643.

The product of its digits is 1250235, while the sum is 51.

The square root of 157797933 is about 12561.7647247511. The cubic root of 157797933 is about 540.3814554425.

The spelling of 157797933 in words is "one hundred fifty-seven million, seven hundred ninety-seven thousand, nine hundred thirty-three".