108696977 has 4 divisors (see below), whose sum is σ = 108736740. Its totient is φ = 108657216.

The previous prime is 108696971. The next prime is 108697003. The reversal of 108696977 is 779696801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779696801 = 13 ⋅59976677.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 43151761 = 8096^2 + 6569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108696977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108696971) 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, 15452 + ... + 21357.

It is an arithmetic number, because the mean of its divisors is an integer number (27184185).

Almost surely, 2^108696977 is an apocalyptic number.

It is an amenable number.

108696977 is a deficient number, since it is larger than the sum of its proper divisors (39763).

108696977 is an equidigital number, since it uses as much as digits as its factorization.

108696977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39762.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 108696977 is about 10425.7842390872. The cubic root of 108696977 is about 477.2425475448.

The spelling of 108696977 in words is "one hundred eight million, six hundred ninety-six thousand, nine hundred seventy-seven".