425787957 has 12 divisors (see below), whose sum is σ = 702888160. Its totient is φ = 243307368.

The previous prime is 425787953. The next prime is 425787977. The reversal of 425787957 is 759787524.

It is a happy number.

It is not a de Polignac number, because 425787957 - 2² = 425787953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425787953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3379207 + ... + 3379332.

Almost surely, 2^425787957 is an apocalyptic number.

It is an amenable number.

425787957 is a deficient number, since it is larger than the sum of its proper divisors (277100203).

425787957 is a wasteful number, since it uses less digits than its factorization.

425787957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758552 (or 6758549 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 425787957 is about 20634.6300427219. The cubic root of 425787957 is about 752.3116570023.

The spelling of 425787957 in words is "four hundred twenty-five million, seven hundred eighty-seven thousand, nine hundred fifty-seven".