157940564759 has 4 divisors (see below), whose sum is σ = 163386791160. Its totient is φ = 152494338360.

The previous prime is 157940564753. The next prime is 157940564783. The reversal of 157940564759 is 957465049751.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157940564759 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 (157940564753) 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, 2723113157 + ... + 2723113214.

It is an arithmetic number, because the mean of its divisors is an integer number (40846697790).

Almost surely, 2^157940564759 is an apocalyptic number.

157940564759 is a deficient number, since it is larger than the sum of its proper divisors (5446226401).

157940564759 is an equidigital number, since it uses as much as digits as its factorization.

157940564759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446226400.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 157940564759 in words is "one hundred fifty-seven billion, nine hundred forty million, five hundred sixty-four thousand, seven hundred fifty-nine".