799297278 has 16 divisors (see below), whose sum is σ = 1721563536. Its totient is φ = 245937600.

The previous prime is 799297271. The next prime is 799297283. The reversal of 799297278 is 872792997.

It is a super-2 number, since 2×799297278² = 1277752277236418568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799297271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5123623 + ... + 5123778.

It is an arithmetic number, because the mean of its divisors is an integer number (107597721).

Almost surely, 2^799297278 is an apocalyptic number.

799297278 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

799297278 is an abundant number, since it is smaller than the sum of its proper divisors (922266258).

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

799297278 is a wasteful number, since it uses less digits than its factorization.

799297278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247419.

The product of its digits is 8001504, while the sum is 60.

The square root of 799297278 is about 28271.8460309899. The cubic root of 799297278 is about 928.0458748812.

The spelling of 799297278 in words is "seven hundred ninety-nine million, two hundred ninety-seven thousand, two hundred seventy-eight".