87630380 has 24 divisors (see below), whose sum is σ = 184206960. Its totient is φ = 35017280.

The previous prime is 87630377. The next prime is 87630421. The reversal of 87630380 is 8303678.

It is a self number, because there is not a number n which added to its sum of digits gives 87630380.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30026 + ... + 32814.

It is an arithmetic number, because the mean of its divisors is an integer number (7675290).

Almost surely, 2^87630380 is an apocalyptic number.

It is an amenable number.

87630380 is an abundant number, since it is smaller than the sum of its proper divisors (96576580).

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

87630380 is a wasteful number, since it uses less digits than its factorization.

87630380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87630380 is about 9361.1099769205. The cubic root of 87630380 is about 444.1723960570.

The spelling of 87630380 in words is "eighty-seven million, six hundred thirty thousand, three hundred eighty".