72782800780 has 12 divisors (see below), whose sum is σ = 152843881680. Its totient is φ = 29113120304.

The previous prime is 72782800631. The next prime is 72782800781. The reversal of 72782800780 is 8700828727.

It is not an unprimeable number, because it can be changed into a prime (72782800781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819570000 + ... + 1819570039.

It is an arithmetic number, because the mean of its divisors is an integer number (12736990140).

Almost surely, 2^72782800780 is an apocalyptic number.

It is an amenable number.

72782800780 is an abundant number, since it is smaller than the sum of its proper divisors (80061080900).

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

72782800780 is a wasteful number, since it uses less digits than its factorization.

72782800780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639140048 (or 3639140046 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 49.

The spelling of 72782800780 in words is "seventy-two billion, seven hundred eighty-two million, eight hundred thousand, seven hundred eighty".