791926380 has 144 divisors (see below), whose sum is σ = 2756470080. Its totient is φ = 180278784.

The previous prime is 791926349. The next prime is 791926381. The reversal of 791926380 is 83629197.

791926380 is a `hidden beast` number, since 7 + 9 + 1 + 9 + 2 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (791926381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347886 + ... + 350154.

Almost surely, 2^791926380 is an apocalyptic number.

791926380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791926380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378235040).

791926380 is an abundant number, since it is smaller than the sum of its proper divisors (1964543700).

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

791926380 is a wasteful number, since it uses less digits than its factorization.

791926380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 791926380 is about 28141.1865421485. The cubic root of 791926380 is about 925.1843333636.

The spelling of 791926380 in words is "seven hundred ninety-one million, nine hundred twenty-six thousand, three hundred eighty".