798504877 has 2 divisors, whose sum is σ = 798504878. Its totient is φ = 798504876.

The previous prime is 798504871. The next prime is 798504893. The reversal of 798504877 is 778405897.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751362921 + 47141956 = 27411^2 + 6866^2 .

It is a cyclic number.

It is not a de Polignac number, because 798504877 - 2¹¹ = 798502829 is a prime.

It is a super-2 number, since 2×798504877² = 1275220077185570258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798504871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399252438 + 399252439.

It is an arithmetic number, because the mean of its divisors is an integer number (399252439).

Almost surely, 2^798504877 is an apocalyptic number.

It is an amenable number.

798504877 is a deficient number, since it is larger than the sum of its proper divisors (1).

798504877 is an equidigital number, since it uses as much as digits as its factorization.

798504877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The square root of 798504877 is about 28257.8285966916. The cubic root of 798504877 is about 927.7390938930.

The spelling of 798504877 in words is "seven hundred ninety-eight million, five hundred four thousand, eight hundred seventy-seven".