780241879283928 has 16 divisors (see below), whose sum is σ = 1950604698209880. Its totient is φ = 260080626427968.

The previous prime is 780241879283857. The next prime is 780241879283957. The reversal of 780241879283928 is 829382978142087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16255039151725 + ... + 16255039151772.

Almost surely, 2^{780241879283928} is an apocalyptic number.

It is an amenable number.

780241879283928 is an abundant number, since it is smaller than the sum of its proper divisors (1170362818925952).

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

780241879283928 is a wasteful number, since it uses less digits than its factorization.

780241879283928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32510078303506 (or 32510078303502 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 78.

The spelling of 780241879283928 in words is "seven hundred eighty trillion, two hundred forty-one billion, eight hundred seventy-nine million, two hundred eighty-three thousand, nine hundred twenty-eight".