798370639 has 8 divisors (see below), whose sum is σ = 871411968. Its totient is φ = 725406360.

The previous prime is 798370627. The next prime is 798370663. The reversal of 798370639 is 936073897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 798370639 - 2⁷ = 798370511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798370619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594 + ... + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (108926496).

Almost surely, 2^798370639 is an apocalyptic number.

798370639 is a deficient number, since it is larger than the sum of its proper divisors (73041329).

798370639 is a wasteful number, since it uses less digits than its factorization.

798370639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38525.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 798370639 is about 28255.4532612733. The cubic root of 798370639 is about 927.6871030521.

The spelling of 798370639 in words is "seven hundred ninety-eight million, three hundred seventy thousand, six hundred thirty-nine".