798953957 has 4 divisors (see below), whose sum is σ = 806024460. Its totient is φ = 791883456.

The previous prime is 798953951. The next prime is 798953999. The reversal of 798953957 is 759359897.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65302561 + 733651396 = 8081^2 + 27086^2 .

It is a cyclic number.

It is not a de Polignac number, because 798953957 - 2¹² = 798949861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 798953957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798953951) 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, 3535082 + ... + 3535307.

It is an arithmetic number, because the mean of its divisors is an integer number (201506115).

Almost surely, 2^798953957 is an apocalyptic number.

It is an amenable number.

798953957 is a deficient number, since it is larger than the sum of its proper divisors (7070503).

798953957 is a wasteful number, since it uses less digits than its factorization.

798953957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070502.

The product of its digits is 21432600, while the sum is 62.

The square root of 798953957 is about 28265.7735963479. The cubic root of 798953957 is about 927.9129817862.

The spelling of 798953957 in words is "seven hundred ninety-eight million, nine hundred fifty-three thousand, nine hundred fifty-seven".