791284671520 has 96 divisors (see below), whose sum is σ = 2146594697856. Its totient is φ = 270011750400.

The previous prime is 791284671479. The next prime is 791284671553. The reversal of 791284671520 is 25176482197.

It is a super-2 number, since 2×791284671520² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437861 + ... + 1910500.

It is an arithmetic number, because the mean of its divisors is an integer number (22360361436).

Almost surely, 2^791284671520 is an apocalyptic number.

791284671520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

791284671520 is an abundant number, since it is smaller than the sum of its proper divisors (1355310026336).

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

791284671520 is a wasteful number, since it uses less digits than its factorization.

791284671520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348594 (or 3348586 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 791284671520 in words is "seven hundred ninety-one billion, two hundred eighty-four million, six hundred seventy-one thousand, five hundred twenty".