780445938264 has 32 divisors (see below), whose sum is σ = 1952758653120. Its totient is φ = 259929471776.

The previous prime is 780445938257. The next prime is 780445938287. The reversal of 780445938264 is 462839544087.

It is a junction number, because it is equal to n+sod(n) for n = 780445938198 and 780445938207.

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, 13669314 + ... + 13726289.

It is an arithmetic number, because the mean of its divisors is an integer number (61023707910).

Almost surely, 2^780445938264 is an apocalyptic number.

It is an amenable number.

780445938264 is an abundant number, since it is smaller than the sum of its proper divisors (1172312714856).

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

780445938264 is a wasteful number, since it uses less digits than its factorization.

780445938264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27396799 (or 27396795 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 780445938264 in words is "seven hundred eighty billion, four hundred forty-five million, nine hundred thirty-eight thousand, two hundred sixty-four".