157864763 has 8 divisors (see below), whose sum is σ = 182888928. Its totient is φ = 133458624.

The previous prime is 157864757. The next prime is 157864769. The reversal of 157864763 is 367468751.

It is an interprime number because it is at equal distance from previous prime (157864757) and next prime (157864769).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157864763 - 2⁸ = 157864507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157864769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153956 + ... + 154977.

It is an arithmetic number, because the mean of its divisors is an integer number (22861116).

Almost surely, 2^157864763 is an apocalyptic number.

157864763 is a deficient number, since it is larger than the sum of its proper divisors (25024165).

157864763 is an equidigital number, since it uses as much as digits as its factorization.

157864763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309013.

The product of its digits is 846720, while the sum is 47.

The square root of 157864763 is about 12564.4244993553. The cubic root of 157864763 is about 540.4577314641.

The spelling of 157864763 in words is "one hundred fifty-seven million, eight hundred sixty-four thousand, seven hundred sixty-three".