107809428 has 24 divisors (see below), whose sum is σ = 257406688. Its totient is φ = 35100576.

The previous prime is 107809417. The next prime is 107809451. The reversal of 107809428 is 824908701.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 103951 + ... + 104982.

Almost surely, 2^107809428 is an apocalyptic number.

It is an amenable number.

107809428 is an abundant number, since it is smaller than the sum of its proper divisors (149597260).

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

107809428 is a wasteful number, since it uses less digits than its factorization.

107809428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208983 (or 208981 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 107809428 is about 10383.1318974575. The cubic root of 107809428 is about 475.9400449402.

The spelling of 107809428 in words is "one hundred seven million, eight hundred nine thousand, four hundred twenty-eight".