109402477 has 4 divisors (see below), whose sum is σ = 109818720. Its totient is φ = 108986236.

The previous prime is 109402459. The next prime is 109402483. The reversal of 109402477 is 774204901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109402477 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 (109402427) 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, 207727 + ... + 208252.

It is an arithmetic number, because the mean of its divisors is an integer number (27454680).

Almost surely, 2^109402477 is an apocalyptic number.

It is an amenable number.

109402477 is a deficient number, since it is larger than the sum of its proper divisors (416243).

109402477 is an equidigital number, since it uses as much as digits as its factorization.

109402477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416242.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 109402477 is about 10459.5639010429. The cubic root of 109402477 is about 478.2728392811.

The spelling of 109402477 in words is "one hundred nine million, four hundred two thousand, four hundred seventy-seven".