798543957 has 4 divisors (see below), whose sum is σ = 1064725280. Its totient is φ = 532362636.

The previous prime is 798543943. The next prime is 798543983. The reversal of 798543957 is 759345897.

798543957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 798543957 - 2⁷ = 798543829 is a prime.

It is a super-2 number, since 2×798543957² = 1275344902522435698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 798543897 and 798543906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798543917) 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, 133090657 + ... + 133090662.

It is an arithmetic number, because the mean of its divisors is an integer number (266181320).

Almost surely, 2^798543957 is an apocalyptic number.

It is an amenable number.

798543957 is a deficient number, since it is larger than the sum of its proper divisors (266181323).

798543957 is a wasteful number, since it uses less digits than its factorization.

798543957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266181322.

The product of its digits is 9525600, while the sum is 57.

The square root of 798543957 is about 28258.5200780225. The cubic root of 798543957 is about 927.7542286168.

The spelling of 798543957 in words is "seven hundred ninety-eight million, five hundred forty-three thousand, nine hundred fifty-seven".