78980880254790 has 16 divisors (see below), whose sum is σ = 189554112611568. Its totient is φ = 21061568067936.

The previous prime is 78980880254779. The next prime is 78980880254807. The reversal of 78980880254790 is 9745208808987.

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, 1316348004217 + ... + 1316348004276.

It is an arithmetic number, because the mean of its divisors is an integer number (11847132038223).

Almost surely, 2^{78980880254790} is an apocalyptic number.

78980880254790 is an abundant number, since it is smaller than the sum of its proper divisors (110573232356778).

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

78980880254790 is a wasteful number, since it uses less digits than its factorization.

78980880254790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632696008503.

The product of its (nonzero) digits is 650280960, while the sum is 75.

The spelling of 78980880254790 in words is "seventy-eight trillion, nine hundred eighty billion, eight hundred eighty million, two hundred fifty-four thousand, seven hundred ninety".