427807956 has 12 divisors (see below), whose sum is σ = 998218592. Its totient is φ = 142602648.

The previous prime is 427807951. The next prime is 427807957. The reversal of 427807956 is 659708724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427807951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17825320 + ... + 17825343.

Almost surely, 2^427807956 is an apocalyptic number.

It is an amenable number.

427807956 is an abundant number, since it is smaller than the sum of its proper divisors (570410636).

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

427807956 is a wasteful number, since it uses less digits than its factorization.

427807956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35650670 (or 35650668 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 427807956 is about 20683.5189462528. The cubic root of 427807956 is about 753.4994719764.

The spelling of 427807956 in words is "four hundred twenty-seven million, eight hundred seven thousand, nine hundred fifty-six".