425915728087 has 2 divisors, whose sum is σ = 425915728088. Its totient is φ = 425915728086.

The previous prime is 425915728067. The next prime is 425915728093. The reversal of 425915728087 is 780827519524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425915728087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425915728037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212957864043 + 212957864044.

It is an arithmetic number, because the mean of its divisors is an integer number (212957864044).

Almost surely, 2^425915728087 is an apocalyptic number.

425915728087 is a deficient number, since it is larger than the sum of its proper divisors (1).

425915728087 is an equidigital number, since it uses as much as digits as its factorization.

425915728087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 425915728087 in words is "four hundred twenty-five billion, nine hundred fifteen million, seven hundred twenty-eight thousand, eighty-seven".