108716990 has 16 divisors (see below), whose sum is σ = 196257600. Its totient is φ = 43360800.

The previous prime is 108716987. The next prime is 108717001. The reversal of 108716990 is 99617801.

It is a happy number.

It is a congruent number.

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, 12086 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (12266100).

Almost surely, 2^108716990 is an apocalyptic number.

108716990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108716990 is a deficient number, since it is larger than the sum of its proper divisors (87540610).

108716990 is a wasteful number, since it uses less digits than its factorization.

108716990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31507.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 108716990 is about 10426.7439788268. The cubic root of 108716990 is about 477.2718352928.

The spelling of 108716990 in words is "one hundred eight million, seven hundred sixteen thousand, nine hundred ninety".