108269977 has 2 divisors, whose sum is σ = 108269978. Its totient is φ = 108269976.

The previous prime is 108269939. The next prime is 108269989. The reversal of 108269977 is 779962801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107557641 + 712336 = 10371^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108269977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108269977.

It is not a weakly prime, because it can be changed into another prime (108269477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54134988 + 54134989.

It is an arithmetic number, because the mean of its divisors is an integer number (54134989).

Almost surely, 2^108269977 is an apocalyptic number.

It is an amenable number.

108269977 is a deficient number, since it is larger than the sum of its proper divisors (1).

108269977 is an equidigital number, since it uses as much as digits as its factorization.

108269977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 108269977 is about 10405.2860124073. The cubic root of 108269977 is about 476.6168018539.

The spelling of 108269977 in words is "one hundred eight million, two hundred sixty-nine thousand, nine hundred seventy-seven".