88320685 has 8 divisors (see below), whose sum is σ = 106217496. Its totient is φ = 70501440.

The previous prime is 88320677. The next prime is 88320707. The reversal of 88320685 is 58602388.

It can be written as a sum of positive squares in 4 ways, for example, as 8003241 + 80317444 = 2829^2 + 8962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88320685 - 2³ = 88320677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16854 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (13277187).

Almost surely, 2^88320685 is an apocalyptic number.

It is an amenable number.

88320685 is a deficient number, since it is larger than the sum of its proper divisors (17896811).

88320685 is a wasteful number, since it uses less digits than its factorization.

88320685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38783.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 88320685 is about 9397.9085439261. The cubic root of 88320685 is about 445.3356639269.

The spelling of 88320685 in words is "eighty-eight million, three hundred twenty thousand, six hundred eighty-five".