798509315 has 12 divisors (see below), whose sum is σ = 990124272. Its totient is φ = 618197040.

The previous prime is 798509311. The next prime is 798509351. The reversal of 798509315 is 513905897.

It is not a de Polignac number, because 798509315 - 2² = 798509311 is a prime.

It is a super-2 number, since 2×798509315² = 1275234252283538450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 798509315.

It is not an unprimeable number, because it can be changed into a prime (798509311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78287 + ... + 87896.

It is an arithmetic number, because the mean of its divisors is an integer number (82510356).

Almost surely, 2^798509315 is an apocalyptic number.

798509315 is a deficient number, since it is larger than the sum of its proper divisors (191614957).

798509315 is a wasteful number, since it uses less digits than its factorization.

798509315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166250 (or 166219 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 798509315 is about 28257.9071234938. The cubic root of 798509315 is about 927.7408126462.

The spelling of 798509315 in words is "seven hundred ninety-eight million, five hundred nine thousand, three hundred fifteen".