157578963 has 4 divisors (see below), whose sum is σ = 210105288. Its totient is φ = 105052640.

The previous prime is 157578959. The next prime is 157578977. The reversal of 157578963 is 369875751.

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 157578963 - 2² = 157578959 is a prime.

It is a super-2 number, since 2×157578963² = 49662259160310738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157578943) 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, 26263158 + ... + 26263163.

It is an arithmetic number, because the mean of its divisors is an integer number (52526322).

Almost surely, 2^157578963 is an apocalyptic number.

157578963 is a deficient number, since it is larger than the sum of its proper divisors (52526325).

157578963 is an equidigital number, since it uses as much as digits as its factorization.

157578963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52526324.

The product of its digits is 1587600, while the sum is 51.

The square root of 157578963 is about 12553.0459650238. The cubic root of 157578963 is about 540.1313843548.

The spelling of 157578963 in words is "one hundred fifty-seven million, five hundred seventy-eight thousand, nine hundred sixty-three".