425578766426 has 8 divisors (see below), whose sum is σ = 696401617824. Its totient is φ = 193444893820.

The previous prime is 425578766399. The next prime is 425578766489. The reversal of 425578766426 is 624667875524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×425578766426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672244670 + ... + 9672244713.

It is an arithmetic number, because the mean of its divisors is an integer number (87050202228).

Almost surely, 2^425578766426 is an apocalyptic number.

425578766426 is a deficient number, since it is larger than the sum of its proper divisors (270822851398).

425578766426 is a wasteful number, since it uses less digits than its factorization.

425578766426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344489396.

The product of its digits is 135475200, while the sum is 62.

The spelling of 425578766426 in words is "four hundred twenty-five billion, five hundred seventy-eight million, seven hundred sixty-six thousand, four hundred twenty-six".