117970090 has 32 divisors (see below), whose sum is σ = 243057024. Its totient is φ = 40384320.

The previous prime is 117970081. The next prime is 117970091. The reversal of 117970090 is 90079711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117970091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81957 + ... + 83383.

It is an arithmetic number, because the mean of its divisors is an integer number (7595532).

Almost surely, 2^117970090 is an apocalyptic number.

117970090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117970090 is an abundant number, since it is smaller than the sum of its proper divisors (125086934).

117970090 is a wasteful number, since it uses less digits than its factorization.

117970090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 117970090 is about 10861.4036846073. The cubic root of 117970090 is about 490.4453676714.

The spelling of 117970090 in words is "one hundred seventeen million, nine hundred seventy thousand, ninety".