87693670 has 16 divisors (see below), whose sum is σ = 161699328. Its totient is φ = 34221760.

The previous prime is 87693649. The next prime is 87693707. The reversal of 87693670 is 7639678.

It is a self number, because there is not a number n which added to its sum of digits gives 87693670.

It is a congruent number.

It is an unprimeable number.

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, 106534 + ... + 107353.

It is an arithmetic number, because the mean of its divisors is an integer number (10106208).

Almost surely, 2^87693670 is an apocalyptic number.

87693670 is a deficient number, since it is larger than the sum of its proper divisors (74005658).

87693670 is a wasteful number, since it uses less digits than its factorization.

87693670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213935.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 87693670 is about 9364.4898419508. The cubic root of 87693670 is about 444.2793030676.

The spelling of 87693670 in words is "eighty-seven million, six hundred ninety-three thousand, six hundred seventy".