108085977 has 6 divisors (see below), whose sum is σ = 156124202. Its totient is φ = 72057312.

The previous prime is 108085973. The next prime is 108085979. The reversal of 108085977 is 779580801.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 48734361 = 7704^2 + 6981^2 .

It is not a de Polignac number, because 108085977 - 2² = 108085973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108085973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6004768 + ... + 6004785.

Almost surely, 2^108085977 is an apocalyptic number.

It is an amenable number.

108085977 is a deficient number, since it is larger than the sum of its proper divisors (48038225).

108085977 is a wasteful number, since it uses less digits than its factorization.

108085977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12009559 (or 12009556 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 108085977 is about 10396.4405928183. The cubic root of 108085977 is about 476.3466524236.

The spelling of 108085977 in words is "one hundred eight million, eighty-five thousand, nine hundred seventy-seven".