427659813 has 12 divisors (see below), whose sum is σ = 705978208. Its totient is φ = 244377000.

The previous prime is 427659797. The next prime is 427659821. The reversal of 427659813 is 318956724.

427659813 is a `hidden beast` number, since 42 + 7 + 6 + 598 + 13 = 666.

It is not a de Polignac number, because 427659813 - 2⁴ = 427659797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427659823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3394063 + ... + 3394188.

Almost surely, 2^427659813 is an apocalyptic number.

It is an amenable number.

427659813 is a deficient number, since it is larger than the sum of its proper divisors (278318395).

427659813 is a wasteful number, since it uses less digits than its factorization.

427659813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788264 (or 6788261 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 427659813 is about 20679.9374515495. The cubic root of 427659813 is about 753.4124870276.

The spelling of 427659813 in words is "four hundred twenty-seven million, six hundred fifty-nine thousand, eight hundred thirteen".