108455977 has 4 divisors (see below), whose sum is σ = 123949696. Its totient is φ = 92962260.

The previous prime is 108455953. The next prime is 108455993. The reversal of 108455977 is 779554801.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 779554801 = 23 ⋅33893687.

It is a cyclic number.

It is not a de Polignac number, because 108455977 - 2⁷ = 108455849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108455077) 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, 7746849 + ... + 7746862.

It is an arithmetic number, because the mean of its divisors is an integer number (30987424).

Almost surely, 2^108455977 is an apocalyptic number.

It is an amenable number.

108455977 is a deficient number, since it is larger than the sum of its proper divisors (15493719).

108455977 is an equidigital number, since it uses as much as digits as its factorization.

108455977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493718.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 108455977 is about 10414.2199419832. The cubic root of 108455977 is about 476.8895767906.

The spelling of 108455977 in words is "one hundred eight million, four hundred fifty-five thousand, nine hundred seventy-seven".