780836660396 has 12 divisors (see below), whose sum is σ = 1471576783152. Its totient is φ = 360386150928.

The previous prime is 780836660393. The next prime is 780836660399. The reversal of 780836660396 is 693066638087.

It is an interprime number because it is at equal distance from previous prime (780836660393) and next prime (780836660399).

It is not an unprimeable number, because it can be changed into a prime (780836660393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508044760 + ... + 7508044863.

It is an arithmetic number, because the mean of its divisors is an integer number (122631398596).

Almost surely, 2^780836660396 is an apocalyptic number.

It is an amenable number.

780836660396 is a deficient number, since it is larger than the sum of its proper divisors (690740122756).

780836660396 is a wasteful number, since it uses less digits than its factorization.

780836660396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016089640 (or 15016089638 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 780836660396 in words is "seven hundred eighty billion, eight hundred thirty-six million, six hundred sixty thousand, three hundred ninety-six".