117893690 has 16 divisors (see below), whose sum is σ = 212675328. Its totient is φ = 47053776.

The previous prime is 117893687. The next prime is 117893701. The reversal of 117893690 is 96398711.

It is a super-2 number, since 2×117893690² = 27797844283632200, which contains 22 as substring.

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, 8102 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (13292208).

Almost surely, 2^117893690 is an apocalyptic number.

117893690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117893690 is a deficient number, since it is larger than the sum of its proper divisors (94781638).

117893690 is a wasteful number, since it uses less digits than its factorization.

117893690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25933.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 117893690 is about 10857.8860741859. The cubic root of 117893690 is about 490.3394704398.

The spelling of 117893690 in words is "one hundred seventeen million, eight hundred ninety-three thousand, six hundred ninety".