157268797 has 24 divisors (see below), whose sum is σ = 190321152. Its totient is φ = 127137600.

The previous prime is 157268789. The next prime is 157268803. The reversal of 157268797 is 797862751.

It is not a de Polignac number, because 157268797 - 2³ = 157268789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157268737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1442779 + ... + 1442887.

It is an arithmetic number, because the mean of its divisors is an integer number (7930048).

Almost surely, 2^157268797 is an apocalyptic number.

It is an amenable number.

157268797 is a deficient number, since it is larger than the sum of its proper divisors (33052355).

157268797 is an equidigital number, since it uses as much as digits as its factorization.

157268797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 208 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 52.

The square root of 157268797 is about 12540.6856670598. The cubic root of 157268797 is about 539.7767675836.

The spelling of 157268797 in words is "one hundred fifty-seven million, two hundred sixty-eight thousand, seven hundred ninety-seven".