109678690 has 64 divisors (see below), whose sum is σ = 224042112. Its totient is φ = 38310400.

The previous prime is 109678687. The next prime is 109678711. The reversal of 109678690 is 96876901.

It is a super-2 number, since 2×109678690² = 24058830080232200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109678690.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374184 + ... + 374476.

It is an arithmetic number, because the mean of its divisors is an integer number (3500658).

Almost surely, 2^109678690 is an apocalyptic number.

109678690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109678690 is an abundant number, since it is smaller than the sum of its proper divisors (114363422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109678690 is a wasteful number, since it uses less digits than its factorization.

109678690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 109678690 is about 10472.7594262448. The cubic root of 109678690 is about 478.6750061482.

The spelling of 109678690 in words is "one hundred nine million, six hundred seventy-eight thousand, six hundred ninety".