425228653787 has 4 divisors (see below), whose sum is σ = 485975604336. Its totient is φ = 364481703240.

The previous prime is 425228653777. The next prime is 425228653831. The reversal of 425228653787 is 787356822524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425228653787 - 2¹⁰ = 425228652763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425228653777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30373475264 + ... + 30373475277.

It is an arithmetic number, because the mean of its divisors is an integer number (121493901084).

Almost surely, 2^425228653787 is an apocalyptic number.

425228653787 is a deficient number, since it is larger than the sum of its proper divisors (60746950549).

425228653787 is an equidigital number, since it uses as much as digits as its factorization.

425228653787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60746950548.

The product of its digits is 45158400, while the sum is 59.

The spelling of 425228653787 in words is "four hundred twenty-five billion, two hundred twenty-eight million, six hundred fifty-three thousand, seven hundred eighty-seven".