87855694 has 16 divisors (see below), whose sum is σ = 140380128. Its totient is φ = 41093632.

The previous prime is 87855689. The next prime is 87855697. The reversal of 87855694 is 49655878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87855697) 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, 2059 + ... + 13414.

It is an arithmetic number, because the mean of its divisors is an integer number (8773758).

Almost surely, 2^87855694 is an apocalyptic number.

87855694 is a deficient number, since it is larger than the sum of its proper divisors (52524434).

87855694 is a wasteful number, since it uses less digits than its factorization.

87855694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15659.

The product of its digits is 2419200, while the sum is 52.

The square root of 87855694 is about 9373.1368281915. The cubic root of 87855694 is about 444.5527535247.

The spelling of 87855694 in words is "eighty-seven million, eight hundred fifty-five thousand, six hundred ninety-four".