798678158 has 8 divisors (see below), whose sum is σ = 1205367528. Its totient is φ = 396888984.

The previous prime is 798678157. The next prime is 798678187. The reversal of 798678158 is 851876897.

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

It is a junction number, because it is equal to n+sod(n) for n = 798678097 and 798678106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798678157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224641 + ... + 1225292.

It is an arithmetic number, because the mean of its divisors is an integer number (150670941).

Almost surely, 2^798678158 is an apocalyptic number.

798678158 is a deficient number, since it is larger than the sum of its proper divisors (406689370).

798678158 is a wasteful number, since it uses less digits than its factorization.

798678158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450098.

The product of its digits is 6773760, while the sum is 59.

The square root of 798678158 is about 28260.8945010592. The cubic root of 798678158 is about 927.8061976078.

The spelling of 798678158 in words is "seven hundred ninety-eight million, six hundred seventy-eight thousand, one hundred fifty-eight".