109577997 has 24 divisors (see below), whose sum is σ = 167454560. Its totient is φ = 68856480.

The previous prime is 109577989. The next prime is 109577999. The reversal of 109577997 is 799775901.

It is not a de Polignac number, because 109577997 - 2³ = 109577989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109577999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34563 + ... + 37599.

Almost surely, 2^109577997 is an apocalyptic number.

It is an amenable number.

109577997 is a deficient number, since it is larger than the sum of its proper divisors (57876563).

109577997 is a wasteful number, since it uses less digits than its factorization.

109577997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 1250235, while the sum is 54.

The square root of 109577997 is about 10467.9509456245. The cubic root of 109577997 is about 478.5284751613.

The spelling of 109577997 in words is "one hundred nine million, five hundred seventy-seven thousand, nine hundred ninety-seven".