87201492 has 48 divisors (see below), whose sum is σ = 240562560. Its totient is φ = 24054912.

The previous prime is 87201451. The next prime is 87201503. The reversal of 87201492 is 29410278.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15463 + ... + 20334.

It is an arithmetic number, because the mean of its divisors is an integer number (5011720).

Almost surely, 2^87201492 is an apocalyptic number.

It is an amenable number.

87201492 is an abundant number, since it is smaller than the sum of its proper divisors (153361068).

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

87201492 is a wasteful number, since it uses less digits than its factorization.

87201492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35840 (or 35838 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 87201492 is about 9338.1739114240. The cubic root of 87201492 is about 443.4465753017.

The spelling of 87201492 in words is "eighty-seven million, two hundred one thousand, four hundred ninety-two".