791378880 has 224 divisors, whose sum is σ = 2709062400. Its totient is φ = 195084288.

The previous prime is 791378867. The next prime is 791378891. The reversal of 791378880 is 88873197.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783816 + ... + 784824.

Almost surely, 2^791378880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791378880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354531200).

791378880 is an abundant number, since it is smaller than the sum of its proper divisors (1917683520).

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

791378880 is a wasteful number, since it uses less digits than its factorization.

791378880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The square root of 791378880 is about 28131.4571254317. The cubic root of 791378880 is about 924.9710748199.

The spelling of 791378880 in words is "seven hundred ninety-one million, three hundred seventy-eight thousand, eight hundred eighty".