72800379988 has 12 divisors (see below), whose sum is σ = 145600760032. Its totient is φ = 31200162840.

The previous prime is 72800379961. The next prime is 72800379989. The reversal of 72800379988 is 88997300827.

72800379988 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72800379989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300006758 + ... + 1300006813.

Almost surely, 2^72800379988 is an apocalyptic number.

It is an amenable number.

72800379988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72800379988 is a wasteful number, since it uses less digits than its factorization.

72800379988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600013582 (or 2600013580 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 72800379988 in words is "seventy-two billion, eight hundred million, three hundred seventy-nine thousand, nine hundred eighty-eight".