86695670 has 16 divisors (see below), whose sum is σ = 164265840. Its totient is φ = 32853024.

The previous prime is 86695639. The next prime is 86695681. The reversal of 86695670 is 7659668.

It is a super-2 number, since 2×86695670² = 15032278393497800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227957 + ... + 228336.

It is an arithmetic number, because the mean of its divisors is an integer number (10266615).

Almost surely, 2^86695670 is an apocalyptic number.

86695670 is a deficient number, since it is larger than the sum of its proper divisors (77570170).

86695670 is a wasteful number, since it uses less digits than its factorization.

86695670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456319.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 86695670 is about 9311.0509610892. The cubic root of 86695670 is about 442.5874916107.

The spelling of 86695670 in words is "eighty-six million, six hundred ninety-five thousand, six hundred seventy".