425172886 has 32 divisors (see below), whose sum is σ = 670602240. Its totient is φ = 201914496.

The previous prime is 425172877. The next prime is 425172887. The reversal of 425172886 is 688271524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425172887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450956 + ... + 1451248.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^425172886 is an apocalyptic number.

425172886 is a deficient number, since it is larger than the sum of its proper divisors (245429354).

425172886 is a wasteful number, since it uses less digits than its factorization.

425172886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its digits is 215040, while the sum is 43.

The square root of 425172886 is about 20619.7208031535. The cubic root of 425172886 is about 751.9492324166.

The spelling of 425172886 in words is "four hundred twenty-five million, one hundred seventy-two thousand, eight hundred eighty-six".