87448284 has 72 divisors (see below), whose sum is σ = 275603328. Its totient is φ = 22713120.

The previous prime is 87448271. The next prime is 87448297. The reversal of 87448284 is 48284478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87448271) and next prime (87448297).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13002 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (3827824).

Almost surely, 2^87448284 is an apocalyptic number.

87448284 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87448284 is an abundant number, since it is smaller than the sum of its proper divisors (188155044).

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

87448284 is a wasteful number, since it uses less digits than its factorization.

87448284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31575 (or 31570 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 87448284 is about 9351.3787218784. The cubic root of 87448284 is about 443.8645191704.

The spelling of 87448284 in words is "eighty-seven million, four hundred forty-eight thousand, two hundred eighty-four".