86412623 has 4 divisors (see below), whose sum is σ = 94268328. Its totient is φ = 78556920.

The previous prime is 86412617. The next prime is 86412653. The reversal of 86412623 is 32621468.

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 86412623 - 2⁴ = 86412607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86412623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86412653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927836 + ... + 3927857.

It is an arithmetic number, because the mean of its divisors is an integer number (23567082).

Almost surely, 2^86412623 is an apocalyptic number.

86412623 is a deficient number, since it is larger than the sum of its proper divisors (7855705).

86412623 is a wasteful number, since it uses less digits than its factorization.

86412623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855704.

The product of its digits is 13824, while the sum is 32.

The square root of 86412623 is about 9295.8390153875. The cubic root of 86412623 is about 442.1053082003.

The spelling of 86412623 in words is "eighty-six million, four hundred twelve thousand, six hundred twenty-three".