117990262 has 16 divisors (see below), whose sum is σ = 195752592. Its totient is φ = 52984800.

The previous prime is 117990203. The next prime is 117990263. The reversal of 117990262 is 262099711.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117990263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60364 + ... + 62287.

It is an arithmetic number, because the mean of its divisors is an integer number (12234537).

Almost surely, 2^117990262 is an apocalyptic number.

117990262 is a deficient number, since it is larger than the sum of its proper divisors (77762330).

117990262 is a wasteful number, since it uses less digits than its factorization.

117990262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122703.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 117990262 is about 10862.3322541708. The cubic root of 117990262 is about 490.4733202372.

The spelling of 117990262 in words is "one hundred seventeen million, nine hundred ninety thousand, two hundred sixty-two".