797272166 has 4 divisors (see below), whose sum is σ = 1195908252. Its totient is φ = 398636082.

The previous prime is 797272127. The next prime is 797272211. The reversal of 797272166 is 661272797.

797272166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 797272166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199318040 + ... + 199318043.

It is an arithmetic number, because the mean of its divisors is an integer number (298977063).

Almost surely, 2^797272166 is an apocalyptic number.

797272166 is a deficient number, since it is larger than the sum of its proper divisors (398636086).

797272166 is a wasteful number, since it uses less digits than its factorization.

797272166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398636085.

The product of its digits is 444528, while the sum is 47.

The square root of 797272166 is about 28236.0083227074. The cubic root of 797272166 is about 927.2614415418.

The spelling of 797272166 in words is "seven hundred ninety-seven million, two hundred seventy-two thousand, one hundred sixty-six".