797091340 has 12 divisors (see below), whose sum is σ = 1673891856. Its totient is φ = 318836528.

The previous prime is 797091329. The next prime is 797091341. The reversal of 797091340 is 43190797.

It is a junction number, because it is equal to n+sod(n) for n = 797091293 and 797091302.

It is not an unprimeable number, because it can be changed into a prime (797091341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19927264 + ... + 19927303.

It is an arithmetic number, because the mean of its divisors is an integer number (139490988).

Almost surely, 2^797091340 is an apocalyptic number.

It is an amenable number.

797091340 is an abundant number, since it is smaller than the sum of its proper divisors (876800516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797091340 is a wasteful number, since it uses less digits than its factorization.

797091340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39854576 (or 39854574 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 797091340 is about 28232.8060950377. The cubic root of 797091340 is about 927.1913334647.

The spelling of 797091340 in words is "seven hundred ninety-seven million, ninety-one thousand, three hundred forty".