87297612 has 48 divisors (see below), whose sum is σ = 214781952. Its totient is φ = 27555840.

The previous prime is 87297589. The next prime is 87297619. The reversal of 87297612 is 21679278.

It is not an unprimeable number, because it can be changed into a prime (87297619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14988 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (4474624).

Almost surely, 2^87297612 is an apocalyptic number.

It is an amenable number.

87297612 is an abundant number, since it is smaller than the sum of its proper divisors (127484340).

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

87297612 is a wasteful number, since it uses less digits than its factorization.

87297612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5076 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 87297612 is about 9343.3191104660. The cubic root of 87297612 is about 443.6094487888.

The spelling of 87297612 in words is "eighty-seven million, two hundred ninety-seven thousand, six hundred twelve".