1320576798 has 64 divisors (see below), whose sum is σ = 2830233600. Its totient is φ = 409574880.

The previous prime is 1320576797. The next prime is 1320576821. The reversal of 1320576798 is 8976750231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320576793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2980765 + ... + 2981207.

It is an arithmetic number, because the mean of its divisors is an integer number (44222400).

Almost surely, 2^1320576798 is an apocalyptic number.

1320576798 is an abundant number, since it is smaller than the sum of its proper divisors (1509656802).

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

1320576798 is a wasteful number, since it uses less digits than its factorization.

1320576798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1320576798 is about 36339.7413034270. The cubic root of 1320576798 is about 1097.1210662825.

The spelling of 1320576798 in words is "one billion, three hundred twenty million, five hundred seventy-six thousand, seven hundred ninety-eight".