87480439312 has 120 divisors (see below), whose sum is σ = 207789870240. Its totient is φ = 35476116480.

The previous prime is 87480439253. The next prime is 87480439337. The reversal of 87480439312 is 21393408478.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 14550387 + ... + 14556397.

It is an arithmetic number, because the mean of its divisors is an integer number (1731582252).

Almost surely, 2^87480439312 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 87480439312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103894935120).

87480439312 is an abundant number, since it is smaller than the sum of its proper divisors (120309430928).

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

87480439312 is a wasteful number, since it uses less digits than its factorization.

87480439312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029 (or 7016 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 87480439312 in words is "eighty-seven billion, four hundred eighty million, four hundred thirty-nine thousand, three hundred twelve".