86305477 has 4 divisors (see below), whose sum is σ = 86368140. Its totient is φ = 86242816.

The previous prime is 86305463. The next prime is 86305487. The reversal of 86305477 is 77450368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4330561 + 81974916 = 2081^2 + 9054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86305477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86305487) 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 3 ways as a sum of consecutive naturals, for example, 29218 + ... + 32035.

It is an arithmetic number, because the mean of its divisors is an integer number (21592035).

Almost surely, 2^86305477 is an apocalyptic number.

It is an amenable number.

86305477 is a deficient number, since it is larger than the sum of its proper divisors (62663).

86305477 is a wasteful number, since it uses less digits than its factorization.

86305477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62662.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 86305477 is about 9290.0741116527. The cubic root of 86305477 is about 441.9225054041.

The spelling of 86305477 in words is "eighty-six million, three hundred five thousand, four hundred seventy-seven".