425303999987 has 2 divisors, whose sum is σ = 425303999988. Its totient is φ = 425303999986.

The previous prime is 425303999977. The next prime is 425304000031. The reversal of 425303999987 is 789999303524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425303999987 - 2¹⁰ = 425303998963 is a prime.

It is not a weakly prime, because it can be changed into another prime (425303999927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212651999993 + 212651999994.

It is an arithmetic number, because the mean of its divisors is an integer number (212651999994).

Almost surely, 2^425303999987 is an apocalyptic number.

425303999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

425303999987 is an equidigital number, since it uses as much as digits as its factorization.

425303999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132269760, while the sum is 68.

The spelling of 425303999987 in words is "four hundred twenty-five billion, three hundred three million, nine hundred ninety-nine thousand, nine hundred eighty-seven".