798687378 has 40 divisors (see below), whose sum is σ = 1814883840. Its totient is φ = 262475640.

The previous prime is 798687367. The next prime is 798687391. The reversal of 798687378 is 873786897.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 23218 + ... + 46221.

It is an arithmetic number, because the mean of its divisors is an integer number (45372096).

Almost surely, 2^798687378 is an apocalyptic number.

798687378 is an abundant number, since it is smaller than the sum of its proper divisors (1016196462).

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

798687378 is a wasteful number, since it uses less digits than its factorization.

798687378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69524 (or 69515 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 798687378 is about 28261.0576235215. The cubic root of 798687378 is about 927.8097678153.

The spelling of 798687378 in words is "seven hundred ninety-eight million, six hundred eighty-seven thousand, three hundred seventy-eight".