117660025 has 36 divisors (see below), whose sum is σ = 171186960. Its totient is φ = 79984800.

The previous prime is 117659999. The next prime is 117660029. The reversal of 117660025 is 520066711.

It is not a de Polignac number, because 117660025 - 2⁷ = 117659897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117659975 and 117660002.

It is not an unprimeable number, because it can be changed into a prime (117660029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 169930 + ... + 170620.

Almost surely, 2^117660025 is an apocalyptic number.

It is an amenable number.

117660025 is a deficient number, since it is larger than the sum of its proper divisors (53526935).

117660025 is a wasteful number, since it uses less digits than its factorization.

117660025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 117660025 is about 10847.1205856670. The cubic root of 117660025 is about 490.0153056444.

The spelling of 117660025 in words is "one hundred seventeen million, six hundred sixty thousand, twenty-five".