797154771 has 32 divisors (see below), whose sum is σ = 1245777408. Its totient is φ = 444003840.

The previous prime is 797154731. The next prime is 797154779. The reversal of 797154771 is 177451797.

It is a happy number.

It is not a de Polignac number, because 797154771 - 2¹¹ = 797152723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797154771.

It is not an unprimeable number, because it can be changed into a prime (797154779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142000 + ... + 147506.

It is an arithmetic number, because the mean of its divisors is an integer number (38930544).

Almost surely, 2^797154771 is an apocalyptic number.

797154771 is a deficient number, since it is larger than the sum of its proper divisors (448622637).

797154771 is a wasteful number, since it uses less digits than its factorization.

797154771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691.

The product of its digits is 432180, while the sum is 48.

The square root of 797154771 is about 28233.9294289690. The cubic root of 797154771 is about 927.2159275150.

The spelling of 797154771 in words is "seven hundred ninety-seven million, one hundred fifty-four thousand, seven hundred seventy-one".