88140685 has 8 divisors (see below), whose sum is σ = 105865056. Its totient is φ = 70448400.

The previous prime is 88140683. The next prime is 88140691. The reversal of 88140685 is 58604188.

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

It is not a de Polignac number, because 88140685 - 2¹ = 88140683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88140683) 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 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (13233132).

Almost surely, 2^88140685 is an apocalyptic number.

It is an amenable number.

88140685 is a deficient number, since it is larger than the sum of its proper divisors (17724371).

88140685 is a wasteful number, since it uses less digits than its factorization.

88140685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 88140685 is about 9388.3270607707. The cubic root of 88140685 is about 445.0329226999.

The spelling of 88140685 in words is "eighty-eight million, one hundred forty thousand, six hundred eighty-five".