797949499 has 4 divisors (see below), whose sum is σ = 799939800. Its totient is φ = 795959200.

The previous prime is 797949469. The next prime is 797949563. The reversal of 797949499 is 994949797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994949797 = 787 ⋅1264231.

It is a cyclic number.

It is not a de Polignac number, because 797949499 - 2⁷ = 797949371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797949469) 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, 994549 + ... + 995350.

It is an arithmetic number, because the mean of its divisors is an integer number (199984950).

Almost surely, 2^797949499 is an apocalyptic number.

797949499 is a deficient number, since it is larger than the sum of its proper divisors (1990301).

797949499 is a wasteful number, since it uses less digits than its factorization.

797949499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990300.

The product of its digits is 46294416, while the sum is 67.

The square root of 797949499 is about 28247.9999114982. Note that the first 4 decimals coincide. The cubic root of 797949499 is about 927.5239562449.

The spelling of 797949499 in words is "seven hundred ninety-seven million, nine hundred forty-nine thousand, four hundred ninety-nine".