780530635412 has 24 divisors (see below), whose sum is σ = 1521808283520. Its totient is φ = 347237999360.

The previous prime is 780530635399. The next prime is 780530635427. The reversal of 780530635412 is 214536035087.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 188714237 + ... + 188718372.

It is an arithmetic number, because the mean of its divisors is an integer number (63408678480).

Almost surely, 2^780530635412 is an apocalyptic number.

It is an amenable number.

780530635412 is a deficient number, since it is larger than the sum of its proper divisors (741277648108).

780530635412 is a wasteful number, since it uses less digits than its factorization.

780530635412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377432671 (or 377432669 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 780530635412 in words is "seven hundred eighty billion, five hundred thirty million, six hundred thirty-five thousand, four hundred twelve".