425166877 has 2 divisors, whose sum is σ = 425166878. Its totient is φ = 425166876.

The previous prime is 425166869. The next prime is 425166887. The reversal of 425166877 is 778661524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425143161 + 23716 = 20619^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 425166877 - 2³ = 425166869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425166827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212583438 + 212583439.

It is an arithmetic number, because the mean of its divisors is an integer number (212583439).

Almost surely, 2^425166877 is an apocalyptic number.

It is an amenable number.

425166877 is a deficient number, since it is larger than the sum of its proper divisors (1).

425166877 is an equidigital number, since it uses as much as digits as its factorization.

425166877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 425166877 is about 20619.5750926153. The cubic root of 425166877 is about 751.9456899485.

The spelling of 425166877 in words is "four hundred twenty-five million, one hundred sixty-six thousand, eight hundred seventy-seven".