107977728 has 44 divisors (see below), whose sum is σ = 287808200. Its totient is φ = 35991552.

The previous prime is 107977721. The next prime is 107977763. The reversal of 107977728 is 827779701.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107977721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14503 + ... + 20646.

Almost surely, 2^107977728 is an apocalyptic number.

It is an amenable number.

107977728 is an abundant number, since it is smaller than the sum of its proper divisors (179830472).

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

107977728 is an equidigital number, since it uses as much as digits as its factorization.

107977728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35172 (or 35154 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 48.

The square root of 107977728 is about 10391.2332280630. The cubic root of 107977728 is about 476.1875776027.

The spelling of 107977728 in words is "one hundred seven million, nine hundred seventy-seven thousand, seven hundred twenty-eight".