87844892 has 12 divisors (see below), whose sum is σ = 155894256. Its totient is φ = 43303680.

The previous prime is 87844877. The next prime is 87844937. The reversal of 87844892 is 29844878.

It is a self number, because there is not a number n which added to its sum of digits gives 87844892.

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, 154373 + ... + 154940.

It is an arithmetic number, because the mean of its divisors is an integer number (12991188).

Almost surely, 2^87844892 is an apocalyptic number.

It is an amenable number.

87844892 is a deficient number, since it is larger than the sum of its proper divisors (68049364).

87844892 is a wasteful number, since it uses less digits than its factorization.

87844892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309388 (or 309386 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 87844892 is about 9372.5605892947. The cubic root of 87844892 is about 444.5345332841.

The spelling of 87844892 in words is "eighty-seven million, eight hundred forty-four thousand, eight hundred ninety-two".