108977669 has 2 divisors, whose sum is σ = 108977670. Its totient is φ = 108977668.

The previous prime is 108977653. The next prime is 108977677. The reversal of 108977669 is 966779801.

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., 75777025 + 33200644 = 8705^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 108977669 - 2⁴ = 108977653 is a prime.

It is a super-2 number, since 2×108977669² = 23752264681347122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108977669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108977629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54488834 + 54488835.

It is an arithmetic number, because the mean of its divisors is an integer number (54488835).

Almost surely, 2^108977669 is an apocalyptic number.

It is an amenable number.

108977669 is a deficient number, since it is larger than the sum of its proper divisors (1).

108977669 is an equidigital number, since it uses as much as digits as its factorization.

108977669 is an evil number, because the sum of its binary digits is even.

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

The square root of 108977669 is about 10439.2369931906. The cubic root of 108977669 is about 477.6529944763.

The spelling of 108977669 in words is "one hundred eight million, nine hundred seventy-seven thousand, six hundred sixty-nine".