108867977 has 2 divisors, whose sum is σ = 108867978. Its totient is φ = 108867976.

The previous prime is 108867971. The next prime is 108868003. The reversal of 108867977 is 779768801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70291456 + 38576521 = 8384^2 + 6211^2 .

It is a cyclic number.

It is not a de Polignac number, because 108867977 - 2⁴ = 108867961 is a prime.

It is not a weakly prime, because it can be changed into another prime (108867971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54433988 + 54433989.

It is an arithmetic number, because the mean of its divisors is an integer number (54433989).

Almost surely, 2^108867977 is an apocalyptic number.

It is an amenable number.

108867977 is a deficient number, since it is larger than the sum of its proper divisors (1).

108867977 is an equidigital number, since it uses as much as digits as its factorization.

108867977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The square root of 108867977 is about 10433.9818382054. The cubic root of 108867977 is about 477.4926793648.

The spelling of 108867977 in words is "one hundred eight million, eight hundred sixty-seven thousand, nine hundred seventy-seven".