87025812 has 12 divisors (see below), whose sum is σ = 203060256. Its totient is φ = 29008600.

The previous prime is 87025787. The next prime is 87025819. The reversal of 87025812 is 21852078.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87025819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626064 + ... + 3626087.

It is an arithmetic number, because the mean of its divisors is an integer number (16921688).

Almost surely, 2^87025812 is an apocalyptic number.

It is an amenable number.

87025812 is an abundant number, since it is smaller than the sum of its proper divisors (116034444).

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

87025812 is a wasteful number, since it uses less digits than its factorization.

87025812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252158 (or 7252156 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 87025812 is about 9328.7626189115. The cubic root of 87025812 is about 443.1485793693.

The spelling of 87025812 in words is "eighty-seven million, twenty-five thousand, eight hundred twelve".