797947637 has 4 divisors (see below), whose sum is σ = 808048320. Its totient is φ = 787846956.

The previous prime is 797947561. The next prime is 797947639. The reversal of 797947637 is 736749797.

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 a cyclic number.

It is not a de Polignac number, because 797947637 - 2¹² = 797943541 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 (797947639) 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, 5050223 + ... + 5050380.

It is an arithmetic number, because the mean of its divisors is an integer number (202012080).

Almost surely, 2^797947637 is an apocalyptic number.

It is an amenable number.

797947637 is a deficient number, since it is larger than the sum of its proper divisors (10100683).

797947637 is a wasteful number, since it uses less digits than its factorization.

797947637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100682.

The product of its digits is 14002632, while the sum is 59.

The square root of 797947637 is about 28247.9669533933. The cubic root of 797947637 is about 927.5232347911.

The spelling of 797947637 in words is "seven hundred ninety-seven million, nine hundred forty-seven thousand, six hundred thirty-seven".