87397532 has 12 divisors (see below), whose sum is σ = 158219880. Its totient is φ = 42191856.

The previous prime is 87397529. The next prime is 87397537. The reversal of 87397532 is 23579378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87397537) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 376598 + ... + 376829.

It is an arithmetic number, because the mean of its divisors is an integer number (13184990).

Almost surely, 2^87397532 is an apocalyptic number.

It is an amenable number.

87397532 is a deficient number, since it is larger than the sum of its proper divisors (70822348).

87397532 is a wasteful number, since it uses less digits than its factorization.

87397532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753460 (or 753458 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 87397532 is about 9348.6647174877. The cubic root of 87397532 is about 443.7786346132.

The spelling of 87397532 in words is "eighty-seven million, three hundred ninety-seven thousand, five hundred thirty-two".