86625506 has 32 divisors (see below), whose sum is σ = 152373312. Its totient is φ = 36495360.

The previous prime is 86625499. The next prime is 86625509. The reversal of 86625506 is 60552668.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86625506.

It is not an unprimeable number, because it can be changed into a prime (86625509) 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 15 ways as a sum of consecutive naturals, for example, 23330 + ... + 26786.

It is an arithmetic number, because the mean of its divisors is an integer number (4761666).

Almost surely, 2^86625506 is an apocalyptic number.

86625506 is a deficient number, since it is larger than the sum of its proper divisors (65747806).

86625506 is a wasteful number, since it uses less digits than its factorization.

86625506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 86625506 is about 9307.2824175481. The cubic root of 86625506 is about 442.4680620017.

The spelling of 86625506 in words is "eighty-six million, six hundred twenty-five thousand, five hundred six".