425201806877 has 2 divisors, whose sum is σ = 425201806878. Its totient is φ = 425201806876.

The previous prime is 425201806837. The next prime is 425201806891. The reversal of 425201806877 is 778608102524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313254015481 + 111947791396 = 559691^2 + 334586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425201806877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425201806837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212600903438 + 212600903439.

It is an arithmetic number, because the mean of its divisors is an integer number (212600903439).

Almost surely, 2^425201806877 is an apocalyptic number.

It is an amenable number.

425201806877 is a deficient number, since it is larger than the sum of its proper divisors (1).

425201806877 is an equidigital number, since it uses as much as digits as its factorization.

425201806877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 425201806877 in words is "four hundred twenty-five billion, two hundred one million, eight hundred six thousand, eight hundred seventy-seven".