86748985 has 16 divisors (see below), whose sum is σ = 109299456. Its totient is φ = 65969728.

The previous prime is 86748971. The next prime is 86749043. The reversal of 86748985 is 58984768.

It is a cyclic number.

It is not a de Polignac number, because 86748985 - 2¹⁷ = 86617913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16947 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (6831216).

Almost surely, 2^86748985 is an apocalyptic number.

It is an amenable number.

86748985 is a deficient number, since it is larger than the sum of its proper divisors (22550471).

86748985 is a wasteful number, since it uses less digits than its factorization.

86748985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 3870720, while the sum is 55.

The square root of 86748985 is about 9313.9135168843. The cubic root of 86748985 is about 442.6781986273.

The spelling of 86748985 in words is "eighty-six million, seven hundred forty-eight thousand, nine hundred eighty-five".