87936805 has 32 divisors (see below), whose sum is σ = 118879488. Its totient is φ = 61900800.

The previous prime is 87936781. The next prime is 87936809. The reversal of 87936805 is 50863978.

It is not a de Polignac number, because 87936805 - 2¹⁹ = 87412517 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 (87936809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282600 + ... + 282910.

It is an arithmetic number, because the mean of its divisors is an integer number (3714984).

Almost surely, 2^87936805 is an apocalyptic number.

It is an amenable number.

87936805 is a deficient number, since it is larger than the sum of its proper divisors (30942683).

87936805 is a wasteful number, since it uses less digits than its factorization.

87936805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 87936805 is about 9377.4626098961. The cubic root of 87936805 is about 444.6895195699.

The spelling of 87936805 in words is "eighty-seven million, nine hundred thirty-six thousand, eight hundred five".