157207879 has 4 divisors (see below), whose sum is σ = 157233384. Its totient is φ = 157182376.

The previous prime is 157207877. The next prime is 157207933. The reversal of 157207879 is 978702751.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 157207879 - 2¹ = 157207877 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 (157207873) 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, 2889 + ... + 17965.

It is an arithmetic number, because the mean of its divisors is an integer number (39308346).

Almost surely, 2^157207879 is an apocalyptic number.

157207879 is a deficient number, since it is larger than the sum of its proper divisors (25505).

157207879 is a wasteful number, since it uses less digits than its factorization.

157207879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25504.

The product of its (nonzero) digits is 246960, while the sum is 46.

The square root of 157207879 is about 12538.2566172495. The cubic root of 157207879 is about 539.7070644844.

The spelling of 157207879 in words is "one hundred fifty-seven million, two hundred seven thousand, eight hundred seventy-nine".