798727897 has 12 divisors (see below), whose sum is σ = 886646628. Its totient is φ = 718916000.

The previous prime is 798727859. The next prime is 798727901.

It is a happy number.

798727897 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 762919641 + 35808256 = 27621^2 + 5984^2 .

It is not a de Polignac number, because 798727897 - 2²⁷ = 664510169 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 (798727807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20458 + ... + 44899.

It is an arithmetic number, because the mean of its divisors is an integer number (73887219).

Almost surely, 2^798727897 is an apocalyptic number.

It is an amenable number.

798727897 is a deficient number, since it is larger than the sum of its proper divisors (87918731).

798727897 is a wasteful number, since it uses less digits than its factorization.

798727897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65480 (or 65469 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 64.

The square root of 798727897 is about 28261.7744842747. The cubic root of 798727897 is about 927.8254574286.

The spelling of 798727897 in words is "seven hundred ninety-eight million, seven hundred twenty-seven thousand, eight hundred ninety-seven".