109678680 has 48 divisors (see below), whose sum is σ = 356456880. Its totient is φ = 29247552.

The previous prime is 109678637. The next prime is 109678687. The reversal of 109678680 is 86876901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109678687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151972 + ... + 152691.

It is an arithmetic number, because the mean of its divisors is an integer number (7426185).

Almost surely, 2^109678680 is an apocalyptic number.

109678680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109678680 is an abundant number, since it is smaller than the sum of its proper divisors (246778200).

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

109678680 is a wasteful number, since it uses less digits than its factorization.

109678680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304680 (or 304673 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 109678680 is about 10472.7589488157. The cubic root of 109678680 is about 478.6749916004.

The spelling of 109678680 in words is "one hundred nine million, six hundred seventy-eight thousand, six hundred eighty".