427995837 has 6 divisors (see below), whose sum is σ = 618216222. Its totient is φ = 285330552.

The previous prime is 427995823. The next prime is 427995839. The reversal of 427995837 is 738599724.

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 197290116 = 15189^2 + 14046^2 .

It is not a de Polignac number, because 427995837 - 2⁶ = 427995773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427995839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23777538 + ... + 23777555.

It is an arithmetic number, because the mean of its divisors is an integer number (103036037).

Almost surely, 2^427995837 is an apocalyptic number.

It is an amenable number.

427995837 is a deficient number, since it is larger than the sum of its proper divisors (190220385).

427995837 is a wasteful number, since it uses less digits than its factorization.

427995837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47555099 (or 47555096 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 427995837 is about 20688.0602522324. The cubic root of 427995837 is about 753.6097609609.

The spelling of 427995837 in words is "four hundred twenty-seven million, nine hundred ninety-five thousand, eight hundred thirty-seven".