87483640 has 32 divisors (see below), whose sum is σ = 197322480. Its totient is φ = 34907392.

The previous prime is 87483623. The next prime is 87483659. The reversal of 87483640 is 4638478.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 87483593 and 87483602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15252 + ... + 20188.

Almost surely, 2^87483640 is an apocalyptic number.

It is an amenable number.

87483640 is an abundant number, since it is smaller than the sum of its proper divisors (109838840).

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

87483640 is a wasteful number, since it uses less digits than its factorization.

87483640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5387 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 87483640 is about 9353.2689472719. The cubic root of 87483640 is about 443.9243303668.

The spelling of 87483640 in words is "eighty-seven million, four hundred eighty-three thousand, six hundred forty".