762868261 has 2 divisors, whose sum is σ = 762868262. Its totient is φ = 762868260.

The previous prime is 762868247. The next prime is 762868277. The reversal of 762868261 is 162868267.

762868261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460317025 + 302551236 = 21455^2 + 17394^2 .

It is a cyclic number.

It is not a de Polignac number, because 762868261 - 2¹⁷ = 762737189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (762868241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381434130 + 381434131.

It is an arithmetic number, because the mean of its divisors is an integer number (381434131).

Almost surely, 2^762868261 is an apocalyptic number.

It is an amenable number.

762868261 is a deficient number, since it is larger than the sum of its proper divisors (1).

762868261 is an equidigital number, since it uses as much as digits as its factorization.

762868261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 762868261 is about 27620.0698949152. The cubic root of 762868261 is about 913.7271205681.

The spelling of 762868261 in words is "seven hundred sixty-two million, eight hundred sixty-eight thousand, two hundred sixty-one".