425879628 has 24 divisors (see below), whose sum is σ = 1017957360. Its totient is φ = 138497280.

The previous prime is 425879621. The next prime is 425879639. The reversal of 425879628 is 826978524.

It is not an unprimeable number, because it can be changed into a prime (425879621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432313 + ... + 433296.

It is an arithmetic number, because the mean of its divisors is an integer number (42414890).

Almost surely, 2^425879628 is an apocalyptic number.

It is an amenable number.

425879628 is an abundant number, since it is smaller than the sum of its proper divisors (592077732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425879628 is a wasteful number, since it uses less digits than its factorization.

425879628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865657 (or 865655 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 425879628 is about 20636.8512133029. The cubic root of 425879628 is about 752.3656433524.

The spelling of 425879628 in words is "four hundred twenty-five million, eight hundred seventy-nine thousand, six hundred twenty-eight".