117157563 has 8 divisors (see below), whose sum is σ = 173566800. Its totient is φ = 78105024.

The previous prime is 117157559. The next prime is 117157583. The reversal of 117157563 is 365751711.

117157563 is a `hidden beast` number, since 11 + 71 + 575 + 6 + 3 = 666.

It is not a de Polignac number, because 117157563 - 2² = 117157559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117157543) 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, 2169558 + ... + 2169611.

It is an arithmetic number, because the mean of its divisors is an integer number (21695850).

Almost surely, 2^117157563 is an apocalyptic number.

117157563 is a deficient number, since it is larger than the sum of its proper divisors (56409237).

117157563 is an equidigital number, since it uses as much as digits as its factorization.

117157563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339178 (or 4339172 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 117157563 is about 10823.9347281846. The cubic root of 117157563 is about 489.3167807020.

The spelling of 117157563 in words is "one hundred seventeen million, one hundred fifty-seven thousand, five hundred sixty-three".