425616879 has 8 divisors (see below), whose sum is σ = 600870960. Its totient is φ = 267053696.

The previous prime is 425616869. The next prime is 425616899. The reversal of 425616879 is 978616524.

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

It is a cyclic number.

It is not a de Polignac number, because 425616879 - 2¹¹ = 425614831 is a prime.

It is a super-2 number, since 2×425616879² = 362299455379401282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425616869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4172664 + ... + 4172765.

It is an arithmetic number, because the mean of its divisors is an integer number (75108870).

Almost surely, 2^425616879 is an apocalyptic number.

425616879 is a deficient number, since it is larger than the sum of its proper divisors (175254081).

425616879 is a wasteful number, since it uses less digits than its factorization.

425616879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345449.

The product of its digits is 725760, while the sum is 48.

The square root of 425616879 is about 20630.4842163242. The cubic root of 425616879 is about 752.2108860177.

The spelling of 425616879 in words is "four hundred twenty-five million, six hundred sixteen thousand, eight hundred seventy-nine".