799758522 has 80 divisors (see below), whose sum is σ = 1863113472. Its totient is φ = 256141440.

The previous prime is 799758481. The next prime is 799758527. The reversal of 799758522 is 225857997.

It is a super-2 number, since 2×799758522² = 1279227387023248968, which contains 22 as substring.

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

Its product of digits (3175200) is a multiple of the sum of its prime divisors (1176).

It is not an unprimeable number, because it can be changed into a prime (799758527) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 818098 + ... + 819074.

Almost surely, 2^799758522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799758522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931556736).

799758522 is an abundant number, since it is smaller than the sum of its proper divisors (1063354950).

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

799758522 is a wasteful number, since it uses less digits than its factorization.

799758522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1176 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 799758522 is about 28280.0021570013. The cubic root of 799758522 is about 928.2243538574.

The spelling of 799758522 in words is "seven hundred ninety-nine million, seven hundred fifty-eight thousand, five hundred twenty-two".