86264775 has 18 divisors (see below), whose sum is σ = 154510200. Its totient is φ = 46007760.

The previous prime is 86264753. The next prime is 86264777. The reversal of 86264775 is 57746268.

It is not a de Polignac number, because 86264775 - 2¹¹ = 86262727 is a prime.

It is a super-2 number, since 2×86264775² = 14883222811601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 86264775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86264777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 191475 + ... + 191924.

It is an arithmetic number, because the mean of its divisors is an integer number (8583900).

Almost surely, 2^86264775 is an apocalyptic number.

86264775 is a deficient number, since it is larger than the sum of its proper divisors (68245425).

86264775 is a wasteful number, since it uses less digits than its factorization.

86264775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383415 (or 383407 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 86264775 is about 9287.8832357002. The cubic root of 86264775 is about 441.8530236872.

The spelling of 86264775 in words is "eighty-six million, two hundred sixty-four thousand, seven hundred seventy-five".