86477923 has 4 divisors (see below), whose sum is σ = 98831920. Its totient is φ = 74123928.

The previous prime is 86477899. The next prime is 86477933. The reversal of 86477923 is 32977468.

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

It is a cyclic number.

It is not a de Polignac number, because 86477923 - 2⁵ = 86477891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86477933) 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, 6176988 + ... + 6177001.

It is an arithmetic number, because the mean of its divisors is an integer number (24707980).

Almost surely, 2^86477923 is an apocalyptic number.

86477923 is a deficient number, since it is larger than the sum of its proper divisors (12353997).

86477923 is a wasteful number, since it uses less digits than its factorization.

86477923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353996.

The product of its digits is 508032, while the sum is 46.

The square root of 86477923 is about 9299.3506762569. The cubic root of 86477923 is about 442.2166430442.

It can be divided in two parts, 864 and 77923, that added together give a palindrome (78787).

The spelling of 86477923 in words is "eighty-six million, four hundred seventy-seven thousand, nine hundred twenty-three".