87630648 has 128 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 23132160.

The previous prime is 87630629. The next prime is 87630661. The reversal of 87630648 is 84603678.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173965 + ... + 174467.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^87630648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87630648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134991360).

87630648 is an abundant number, since it is smaller than the sum of its proper divisors (182352072).

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

87630648 is a wasteful number, since it uses less digits than its factorization.

87630648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 87630648 is about 9361.1242914513. The cubic root of 87630648 is about 444.1728488607.

The spelling of 87630648 in words is "eighty-seven million, six hundred thirty thousand, six hundred forty-eight".