157205867 has 48 divisors (see below), whose sum is σ = 214502400. Its totient is φ = 113762880.

The previous prime is 157205843. The next prime is 157205869. The reversal of 157205867 is 768502751.

It is not a de Polignac number, because 157205867 - 2¹⁸ = 156943723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157205869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374984 + ... + 375402.

It is an arithmetic number, because the mean of its divisors is an integer number (4468800).

Almost surely, 2^157205867 is an apocalyptic number.

157205867 is a deficient number, since it is larger than the sum of its proper divisors (57296533).

157205867 is a wasteful number, since it uses less digits than its factorization.

157205867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 157205867 is about 12538.1763825526. The cubic root of 157205867 is about 539.7047620230.

The spelling of 157205867 in words is "one hundred fifty-seven million, two hundred five thousand, eight hundred sixty-seven".