86625499 has 2 divisors, whose sum is σ = 86625500. Its totient is φ = 86625498.

The previous prime is 86625463. The next prime is 86625509. The reversal of 86625499 is 99452668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86625499 - 2⁹ = 86624987 is a prime.

It is not a weakly prime, because it can be changed into another prime (86625419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43312749 + 43312750.

It is an arithmetic number, because the mean of its divisors is an integer number (43312750).

Almost surely, 2^86625499 is an apocalyptic number.

86625499 is a deficient number, since it is larger than the sum of its proper divisors (1).

86625499 is an equidigital number, since it uses as much as digits as its factorization.

86625499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 86625499 is about 9307.2820414985. The cubic root of 86625499 is about 442.4680500834.

It can be divided in two parts, 8662 and 5499, that added together give a square (14161 = 119²).

The spelling of 86625499 in words is "eighty-six million, six hundred twenty-five thousand, four hundred ninety-nine".