117855670 has 24 divisors (see below), whose sum is σ = 223899984. Its totient is φ = 44659728.

The previous prime is 117855667. The next prime is 117855697. The reversal of 117855670 is 76558711.

It is a super-2 number, since 2×117855670² = 27779917902297800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12714 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (9329166).

Almost surely, 2^117855670 is an apocalyptic number.

117855670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117855670 is a deficient number, since it is larger than the sum of its proper divisors (106044314).

117855670 is a wasteful number, since it uses less digits than its factorization.

117855670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32692 (or 32673 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 117855670 is about 10856.1351318045. The cubic root of 117855670 is about 490.2867542708.

The spelling of 117855670 in words is "one hundred seventeen million, eight hundred fifty-five thousand, six hundred seventy".