86777168 has 10 divisors (see below), whose sum is σ = 168130794. Its totient is φ = 43388576.

The previous prime is 86777149. The next prime is 86777179. The reversal of 86777168 is 86177768.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 20322064 = 8152^2 + 4508^2 .

It is a super-2 number, since 2×86777168² = 15060553772200448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711771 + ... + 2711802.

Almost surely, 2^86777168 is an apocalyptic number.

It is an amenable number.

86777168 is a deficient number, since it is larger than the sum of its proper divisors (81353626).

86777168 is a wasteful number, since it uses less digits than its factorization.

86777168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423581 (or 5423575 counting only the distinct ones).

The product of its digits is 790272, while the sum is 50.

The square root of 86777168 is about 9315.4263455840. The cubic root of 86777168 is about 442.7261325171.

The spelling of 86777168 in words is "eighty-six million, seven hundred seventy-seven thousand, one hundred sixty-eight".