157764805063 has 4 divisors (see below), whose sum is σ = 157842180720. Its totient is φ = 157687429408.

The previous prime is 157764805001. The next prime is 157764805129. The reversal of 157764805063 is 360508467751.

It is a happy number.

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 157764805063 - 2²⁵ = 157731250631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157764805063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157764809063) 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, 38684770 + ... + 38688847.

It is an arithmetic number, because the mean of its divisors is an integer number (39460545180).

Almost surely, 2^157764805063 is an apocalyptic number.

157764805063 is a deficient number, since it is larger than the sum of its proper divisors (77375657).

157764805063 is an equidigital number, since it uses as much as digits as its factorization.

157764805063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77375656.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 157764805063 in words is "one hundred fifty-seven billion, seven hundred sixty-four million, eight hundred five thousand, sixty-three".