86654923 has 2 divisors, whose sum is σ = 86654924. Its totient is φ = 86654922.

The previous prime is 86654917. The next prime is 86654927. The reversal of 86654923 is 32945668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86654923 - 2⁹ = 86654411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86654923.

It is not a weakly prime, because it can be changed into another prime (86654927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43327461 + 43327462.

It is an arithmetic number, because the mean of its divisors is an integer number (43327462).

Almost surely, 2^86654923 is an apocalyptic number.

86654923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86654923 is an equidigital number, since it uses as much as digits as its factorization.

86654923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 86654923 is about 9308.8626050662. The cubic root of 86654923 is about 442.5181419781.

The spelling of 86654923 in words is "eighty-six million, six hundred fifty-four thousand, nine hundred twenty-three".