88166825 has 12 divisors (see below), whose sum is σ = 111391308. Its totient is φ = 69201600.

The previous prime is 88166807. The next prime is 88166831. The reversal of 88166825 is 52866188.

It can be written as a sum of positive squares in 6 ways, for example, as 3139984 + 85026841 = 1772^2 + 9221^2 .

It is not a de Polignac number, because 88166825 - 2⁸ = 88166569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31946 + ... + 34595.

It is an arithmetic number, because the mean of its divisors is an integer number (9282609).

Almost surely, 2^88166825 is an apocalyptic number.

It is an amenable number.

88166825 is a deficient number, since it is larger than the sum of its proper divisors (23224483).

88166825 is a wasteful number, since it uses less digits than its factorization.

88166825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66604 (or 66599 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 88166825 is about 9389.7191118798. The cubic root of 88166825 is about 445.0769130197.

The spelling of 88166825 in words is "eighty-eight million, one hundred sixty-six thousand, eight hundred twenty-five".