86312065 has 16 divisors (see below), whose sum is σ = 118522368. Its totient is φ = 59109696.

The previous prime is 86312063. The next prime is 86312089. The reversal of 86312065 is 56021368.

It is a cyclic number.

It is not a de Polignac number, because 86312065 - 2¹ = 86312063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86312063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48939 + ... + 50671.

It is an arithmetic number, because the mean of its divisors is an integer number (7407648).

Almost surely, 2^86312065 is an apocalyptic number.

It is an amenable number.

86312065 is a deficient number, since it is larger than the sum of its proper divisors (32210303).

86312065 is a wasteful number, since it uses less digits than its factorization.

86312065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 86312065 is about 9290.4286768695. The cubic root of 86312065 is about 441.9337496167.

The spelling of 86312065 in words is "eighty-six million, three hundred twelve thousand, sixty-five".