797915811 has 64 divisors (see below), whose sum is σ = 1407467520. Its totient is φ = 389525760.

The previous prime is 797915809. The next prime is 797915837. The reversal of 797915811 is 118519797.

It is not a de Polignac number, because 797915811 - 2¹ = 797915809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (797935811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 600630 + ... + 601956.

It is an arithmetic number, because the mean of its divisors is an integer number (21991680).

Almost surely, 2^797915811 is an apocalyptic number.

797915811 is a deficient number, since it is larger than the sum of its proper divisors (609551709).

797915811 is a wasteful number, since it uses less digits than its factorization.

797915811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its digits is 158760, while the sum is 48.

The square root of 797915811 is about 28247.4036151998. The cubic root of 797915811 is about 927.5109032606.

The spelling of 797915811 in words is "seven hundred ninety-seven million, nine hundred fifteen thousand, eight hundred eleven".