780138554484 has 24 divisors (see below), whose sum is σ = 1820386360800. Its totient is φ = 260037175264.

The previous prime is 780138554467. The next prime is 780138554551. The reversal of 780138554484 is 484455831087.

780138554484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 760659 + ... + 1462490.

It is an arithmetic number, because the mean of its divisors is an integer number (75849431700).

Almost surely, 2^780138554484 is an apocalyptic number.

It is an amenable number.

780138554484 is an abundant number, since it is smaller than the sum of its proper divisors (1040247806316).

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

780138554484 is a wasteful number, since it uses less digits than its factorization.

780138554484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252399 (or 2252397 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 780138554484 in words is "seven hundred eighty billion, one hundred thirty-eight million, five hundred fifty-four thousand, four hundred eighty-four".