799771356 has 72 divisors (see below), whose sum is σ = 2115661184. Its totient is φ = 254430720.

The previous prime is 799771337. The next prime is 799771363. The reversal of 799771356 is 653177997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76560 + ... + 86376.

Almost surely, 2^799771356 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 799771356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057830592).

799771356 is an abundant number, since it is smaller than the sum of its proper divisors (1315889828).

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

799771356 is a wasteful number, since it uses less digits than its factorization.

799771356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931 (or 9926 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 54.

The square root of 799771356 is about 28280.2290655504. The cubic root of 799771356 is about 928.2293190093.

The spelling of 799771356 in words is "seven hundred ninety-nine million, seven hundred seventy-one thousand, three hundred fifty-six".