157882997 has 4 divisors (see below), whose sum is σ = 160559040. Its totient is φ = 155206956.

The previous prime is 157882987. The next prime is 157883003. The reversal of 157882997 is 799288751.

157882997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799288751 = 19 ⋅42067829.

It is a cyclic number.

It is not a de Polignac number, because 157882997 - 2¹⁰ = 157881973 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 (157882987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337933 + ... + 1338050.

It is an arithmetic number, because the mean of its divisors is an integer number (40139760).

Almost surely, 2^157882997 is an apocalyptic number.

It is an amenable number.

157882997 is a deficient number, since it is larger than the sum of its proper divisors (2676043).

157882997 is an equidigital number, since it uses as much as digits as its factorization.

157882997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676042.

The product of its digits is 2540160, while the sum is 56.

The square root of 157882997 is about 12565.1500985862. The cubic root of 157882997 is about 540.4785389930.

The spelling of 157882997 in words is "one hundred fifty-seven million, eight hundred eighty-two thousand, nine hundred ninety-seven".