86158977 has 16 divisors (see below), whose sum is σ = 124196160. Its totient is φ = 52944192.

The previous prime is 86158957. The next prime is 86158981. The reversal of 86158977 is 77985168.

It is not a de Polignac number, because 86158977 - 2¹⁴ = 86142593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86158927) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 18318 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (7762260).

Almost surely, 2^86158977 is an apocalyptic number.

It is an amenable number.

86158977 is a deficient number, since it is larger than the sum of its proper divisors (38037183).

86158977 is a wasteful number, since it uses less digits than its factorization.

86158977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40912.

The product of its digits is 846720, while the sum is 51.

The square root of 86158977 is about 9282.1860033076. The cubic root of 86158977 is about 441.6723153583.

The spelling of 86158977 in words is "eighty-six million, one hundred fifty-eight thousand, nine hundred seventy-seven".