425167678 has 8 divisors (see below), whose sum is σ = 686809368. Its totient is φ = 196231224.

The previous prime is 425167661. The next prime is 425167709. The reversal of 425167678 is 876761524.

It is a happy number.

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

It is a congruent number.

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, 8176276 + ... + 8176327.

It is an arithmetic number, because the mean of its divisors is an integer number (85851171).

Almost surely, 2^425167678 is an apocalyptic number.

425167678 is a deficient number, since it is larger than the sum of its proper divisors (261641690).

425167678 is a wasteful number, since it uses less digits than its factorization.

425167678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16352618.

The product of its digits is 564480, while the sum is 46.

The square root of 425167678 is about 20619.5945158968. The cubic root of 425167678 is about 751.9461621616.

The spelling of 425167678 in words is "four hundred twenty-five million, one hundred sixty-seven thousand, six hundred seventy-eight".