6872800261 has 2 divisors, whose sum is σ = 6872800262. Its totient is φ = 6872800260.

The previous prime is 6872800229. The next prime is 6872800279. The reversal of 6872800261 is 1620082786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6026572161 + 846228100 = 77631^2 + 29090^2 .

It is a cyclic number.

It is not a de Polignac number, because 6872800261 - 2⁵ = 6872800229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6872810261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436400130 + 3436400131.

It is an arithmetic number, because the mean of its divisors is an integer number (3436400131).

Almost surely, 2^6872800261 is an apocalyptic number.

It is an amenable number.

6872800261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872800261 is an equidigital number, since it uses as much as digits as its factorization.

6872800261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 6872800261 is about 82902.3537723749. The cubic root of 6872800261 is about 1901.2734086785.

The spelling of 6872800261 in words is "six billion, eight hundred seventy-two million, eight hundred thousand, two hundred sixty-one".