798677816 has 32 divisors (see below), whose sum is σ = 1607351040. Its totient is φ = 370695168.

The previous prime is 798677809. The next prime is 798677821. The reversal of 798677816 is 618776897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30296 + ... + 50151.

It is an arithmetic number, because the mean of its divisors is an integer number (50229720).

Almost surely, 2^798677816 is an apocalyptic number.

It is an amenable number.

798677816 is an abundant number, since it is smaller than the sum of its proper divisors (808673224).

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

798677816 is a wasteful number, since it uses less digits than its factorization.

798677816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80543 (or 80539 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 59.

The square root of 798677816 is about 28260.8884502947. Note that the first 3 decimals coincide. The cubic root of 798677816 is about 927.8060651766.

The spelling of 798677816 in words is "seven hundred ninety-eight million, six hundred seventy-seven thousand, eight hundred sixteen".