117825530 has 16 divisors (see below), whose sum is σ = 215252640. Its totient is φ = 46426512.

The previous prime is 117825529. The next prime is 117825557. The reversal of 117825530 is 35528711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87260 + ... + 88599.

It is an arithmetic number, because the mean of its divisors is an integer number (13453290).

Almost surely, 2^117825530 is an apocalyptic number.

117825530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117825530 is a deficient number, since it is larger than the sum of its proper divisors (97427110).

117825530 is a wasteful number, since it uses less digits than its factorization.

117825530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175933.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 117825530 is about 10854.7468878827. The cubic root of 117825530 is about 490.2449559632.

The spelling of 117825530 in words is "one hundred seventeen million, eight hundred twenty-five thousand, five hundred thirty".