86711265 has 48 divisors (see below), whose sum is σ = 157996800. Its totient is φ = 43908480.

The previous prime is 86711221. The next prime is 86711267. The reversal of 86711265 is 56211768.

It is not a de Polignac number, because 86711265 - 2⁶ = 86711201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86711267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205755 + ... + 206175.

It is an arithmetic number, because the mean of its divisors is an integer number (3291600).

Almost surely, 2^86711265 is an apocalyptic number.

It is an amenable number.

86711265 is a deficient number, since it is larger than the sum of its proper divisors (71285535).

86711265 is a wasteful number, since it uses less digits than its factorization.

86711265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 651 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 86711265 is about 9311.8883691763. Note that the first 3 decimals coincide. The cubic root of 86711265 is about 442.6140278769.

The spelling of 86711265 in words is "eighty-six million, seven hundred eleven thousand, two hundred sixty-five".