86712623 has 2 divisors, whose sum is σ = 86712624. Its totient is φ = 86712622.

The previous prime is 86712607. The next prime is 86712629. The reversal of 86712623 is 32621768.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86712623 - 2⁴ = 86712607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86712629) 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 as a sum of consecutive naturals, namely, 43356311 + 43356312.

It is an arithmetic number, because the mean of its divisors is an integer number (43356312).

Almost surely, 2^86712623 is an apocalyptic number.

86712623 is a deficient number, since it is larger than the sum of its proper divisors (1).

86712623 is an equidigital number, since it uses as much as digits as its factorization.

86712623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 86712623 is about 9311.9612864316. The cubic root of 86712623 is about 442.6163384829.

The spelling of 86712623 in words is "eighty-six million, seven hundred twelve thousand, six hundred twenty-three".