427677913 has 8 divisors (see below), whose sum is σ = 461078856. Its totient is φ = 394348800.

The previous prime is 427677911. The next prime is 427677917. The reversal of 427677913 is 319776724.

It can be written as a sum of positive squares in 4 ways, for example, as 18344089 + 409333824 = 4283^2 + 20232^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427677913 - 2¹ = 427677911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427677911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248 + ... + 29713.

It is an arithmetic number, because the mean of its divisors is an integer number (57634857).

Almost surely, 2^427677913 is an apocalyptic number.

It is an amenable number.

427677913 is a deficient number, since it is larger than the sum of its proper divisors (33400943).

427677913 is a wasteful number, since it uses less digits than its factorization.

427677913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35915.

The product of its digits is 444528, while the sum is 46.

The square root of 427677913 is about 20680.3750691326. The cubic root of 427677913 is about 753.4231158601.

The spelling of 427677913 in words is "four hundred twenty-seven million, six hundred seventy-seven thousand, nine hundred thirteen".