108777087 has 20 divisors (see below), whose sum is σ = 162853416. Its totient is φ = 72357840.

The previous prime is 108777043. The next prime is 108777089. The reversal of 108777087 is 780777801.

It is not a de Polignac number, because 108777087 - 2⁶ = 108777023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108777089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43912 + ... + 46322.

Almost surely, 2^108777087 is an apocalyptic number.

108777087 is a deficient number, since it is larger than the sum of its proper divisors (54076329).

108777087 is an equidigital number, since it uses as much as digits as its factorization.

108777087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 45.

The square root of 108777087 is about 10429.6254486918. The cubic root of 108777087 is about 477.3597618196.

The spelling of 108777087 in words is "one hundred eight million, seven hundred seventy-seven thousand, eighty-seven".