109397877 has 16 divisors (see below), whose sum is σ = 154004160. Its totient is φ = 68884992.

The previous prime is 109397833. The next prime is 109397879. The reversal of 109397877 is 778793901.

It is a happy number.

It is not a de Polignac number, because 109397877 - 2⁷ = 109397749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109397879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17403 + ... + 22839.

It is an arithmetic number, because the mean of its divisors is an integer number (9625260).

Almost surely, 2^109397877 is an apocalyptic number.

It is an amenable number.

109397877 is a deficient number, since it is larger than the sum of its proper divisors (44606283).

109397877 is a wasteful number, since it uses less digits than its factorization.

109397877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812.

The product of its (nonzero) digits is 666792, while the sum is 51.

The square root of 109397877 is about 10459.3440042863. The cubic root of 109397877 is about 478.2661359414.

The spelling of 109397877 in words is "one hundred nine million, three hundred ninety-seven thousand, eight hundred seventy-seven".