797822784 has 280 divisors, whose sum is σ = 2735080128. Its totient is φ = 227266560.

The previous prime is 797822777. The next prime is 797822867. The reversal of 797822784 is 487228797.

It is a super-3 number, since 3×797822784³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 797822784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 968997 + ... + 969819.

Almost surely, 2^797822784 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 797822784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367540064).

797822784 is an abundant number, since it is smaller than the sum of its proper divisors (1937257344).

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

797822784 is a wasteful number, since it uses less digits than its factorization.

797822784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 856 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 797822784 is about 28245.7569202880. The cubic root of 797822784 is about 927.4748564709.

The spelling of 797822784 in words is "seven hundred ninety-seven million, eight hundred twenty-two thousand, seven hundred eighty-four".