87894236 has 12 divisors (see below), whose sum is σ = 157392312. Its totient is φ = 42925008.

The previous prime is 87894223. The next prime is 87894241. The reversal of 87894236 is 63249878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255335 + ... + 255678.

It is an arithmetic number, because the mean of its divisors is an integer number (13116026).

Almost surely, 2^87894236 is an apocalyptic number.

87894236 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87894236 is a deficient number, since it is larger than the sum of its proper divisors (69498076).

87894236 is a wasteful number, since it uses less digits than its factorization.

87894236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511060 (or 511058 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 87894236 is about 9375.1925846886. The cubic root of 87894236 is about 444.6177519577.

The spelling of 87894236 in words is "eighty-seven million, eight hundred ninety-four thousand, two hundred thirty-six".