109977790475 has 24 divisors (see below), whose sum is σ = 157989248160. Its totient is φ = 74380273920.

The previous prime is 109977790471. The next prime is 109977790477. The reversal of 109977790475 is 574097779901.

It is not a de Polignac number, because 109977790475 - 2² = 109977790471 is a prime.

It is a super-2 number, since 2×109977790475² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109977790471) 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, 4291640 + ... + 4317189.

It is an arithmetic number, because the mean of its divisors is an integer number (6582885340).

Almost surely, 2^109977790475 is an apocalyptic number.

109977790475 is a deficient number, since it is larger than the sum of its proper divisors (48011457685).

109977790475 is an equidigital number, since it uses as much as digits as its factorization.

109977790475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8608919 (or 8608914 counting only the distinct ones).

The product of its (nonzero) digits is 35006580, while the sum is 65.

The spelling of 109977790475 in words is "one hundred nine billion, nine hundred seventy-seven million, seven hundred ninety thousand, four hundred seventy-five".