791486728915 has 16 divisors (see below), whose sum is σ = 980703783936. Its totient is φ = 612587973600.

The previous prime is 791486728847. The next prime is 791486728919. The reversal of 791486728915 is 519827684197.

It is not a de Polignac number, because 791486728915 - 2¹¹ = 791486726867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791486728919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190257 + ... + 1272466.

It is an arithmetic number, because the mean of its divisors is an integer number (61293986496).

Almost surely, 2^791486728915 is an apocalyptic number.

791486728915 is a deficient number, since it is larger than the sum of its proper divisors (189217055021).

791486728915 is a wasteful number, since it uses less digits than its factorization.

791486728915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466250.

The product of its digits is 60963840, while the sum is 67.

The spelling of 791486728915 in words is "seven hundred ninety-one billion, four hundred eighty-six million, seven hundred twenty-eight thousand, nine hundred fifteen".