86051517 has 16 divisors (see below), whose sum is σ = 117399552. Its totient is φ = 56049840.

The previous prime is 86051479. The next prime is 86051521. The reversal of 86051517 is 71515068.

It is not a de Polignac number, because 86051517 - 2¹⁹ = 85527229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86051587) 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, 23842 + ... + 27212.

It is an arithmetic number, because the mean of its divisors is an integer number (7337472).

Almost surely, 2^86051517 is an apocalyptic number.

It is an amenable number.

86051517 is a deficient number, since it is larger than the sum of its proper divisors (31348035).

86051517 is a wasteful number, since it uses less digits than its factorization.

86051517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 86051517 is about 9276.3956901374. The cubic root of 86051517 is about 441.4886167491.

It can be divided in two parts, 86051 and 517, that added together give a palindrome (86568).

The spelling of 86051517 in words is "eighty-six million, fifty-one thousand, five hundred seventeen".