797471997 has 8 divisors (see below), whose sum is σ = 1215195456. Its totient is φ = 455698272.

The previous prime is 797471977. The next prime is 797471999. The reversal of 797471997 is 799174797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797471997 - 2¹⁵ = 797439229 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 797471997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797471999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18987408 + ... + 18987449.

It is an arithmetic number, because the mean of its divisors is an integer number (151899432).

Almost surely, 2^797471997 is an apocalyptic number.

It is an amenable number.

797471997 is a deficient number, since it is larger than the sum of its proper divisors (417723459).

797471997 is a wasteful number, since it uses less digits than its factorization.

797471997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37974867.

The product of its digits is 7001316, while the sum is 60.

The square root of 797471997 is about 28239.5466854551. The cubic root of 797471997 is about 927.3389057212.

The spelling of 797471997 in words is "seven hundred ninety-seven million, four hundred seventy-one thousand, nine hundred ninety-seven".