87965028 has 36 divisors (see below), whose sum is σ = 230594000. Its totient is φ = 29321352.

The previous prime is 87965023. The next prime is 87965039. The reversal of 87965028 is 82056978.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (87965023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44278 + ... + 46221.

Almost surely, 2^87965028 is an apocalyptic number.

It is an amenable number.

87965028 is an abundant number, since it is smaller than the sum of its proper divisors (142628972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87965028 is a wasteful number, since it uses less digits than its factorization.

87965028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90518 (or 90504 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 87965028 is about 9378.9673205529. The cubic root of 87965028 is about 444.7370883130.

It can be divided in two parts, 8796 and 5028, that added together give a cube (13824 = 24³).

The spelling of 87965028 in words is "eighty-seven million, nine hundred sixty-five thousand, twenty-eight".