157558079 has 8 divisors (see below), whose sum is σ = 183741600. Its totient is φ = 135049488.

The previous prime is 157558067. The next prime is 157558109. The reversal of 157558079 is 970855751.

It is a happy number.

157558079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-157558079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157558019) 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, 229334 + ... + 230019.

It is an arithmetic number, because the mean of its divisors is an integer number (22967700).

Almost surely, 2^157558079 is an apocalyptic number.

157558079 is a deficient number, since it is larger than the sum of its proper divisors (26183521).

157558079 is an frugal number, since it uses more digits than its factorization.

157558079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459374 (or 459360 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 47.

The square root of 157558079 is about 12552.2141074792. The cubic root of 157558079 is about 540.1075220278.

The spelling of 157558079 in words is "one hundred fifty-seven million, five hundred fifty-eight thousand, seventy-nine".