7319999988000 has 576 divisors, whose sum is σ = 29775349094400. Its totient is φ = 1668328704000.

The previous prime is 7319999987977. The next prime is 7319999988011. The reversal of 7319999988000 is 8899999137.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 7319999988000.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87906385 + ... + 87989615.

It is an arithmetic number, because the mean of its divisors is an integer number (51693314400).

Almost surely, 2^{7319999988000} is an apocalyptic number.

7319999988000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7319999988000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14887674547200).

7319999988000 is an abundant number, since it is smaller than the sum of its proper divisors (22455349106400).

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

7319999988000 is a wasteful number, since it uses less digits than its factorization.

7319999988000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83618 (or 83597 counting only the distinct ones).

The product of its (nonzero) digits is 79361856, while the sum is 72.

The spelling of 7319999988000 in words is "seven trillion, three hundred nineteen billion, nine hundred ninety-nine million, nine hundred eighty-eight thousand".