836979674221201 has 9 divisors (see below), whose sum is σ = 973629652529001. Its totient is φ = 717410975748852.

The previous prime is 836979674221169. The next prime is 836979674221231. The reversal of 836979674221201 is 102122476979638.

The square root of 836979674221201 is 28930601.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 836979674221201 - 2⁵ = 836979674221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (836979674221231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200447736 + ... + 204580678.

Almost surely, 2^{836979674221201} is an apocalyptic number.

836979674221201 is the 28930601-st square number.

836979674221201 is the 14465301-st centered octagonal number.

It is an amenable number.

836979674221201 is a deficient number, since it is larger than the sum of its proper divisors (136649978307800).

836979674221201 is an frugal number, since it uses more digits than its factorization.

836979674221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265900 (or 4132950 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 836979674221201 in words is "eight hundred thirty-six trillion, nine hundred seventy-nine billion, six hundred seventy-four million, two hundred twenty-one thousand, two hundred one".