157869659 has 4 divisors (see below), whose sum is σ = 158020920. Its totient is φ = 157718400.

The previous prime is 157869653. The next prime is 157869661. The reversal of 157869659 is 956968751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157869659 - 2¹⁶ = 157804123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157869653) 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, 74054 + ... + 76155.

It is an arithmetic number, because the mean of its divisors is an integer number (39505230).

Almost surely, 2^157869659 is an apocalyptic number.

157869659 is a deficient number, since it is larger than the sum of its proper divisors (151261).

157869659 is a wasteful number, since it uses less digits than its factorization.

157869659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151260.

The product of its digits is 4082400, while the sum is 56.

The square root of 157869659 is about 12564.6193336686. The cubic root of 157869659 is about 540.4633186381.

The spelling of 157869659 in words is "one hundred fifty-seven million, eight hundred sixty-nine thousand, six hundred fifty-nine".