6268478407 has 4 divisors (see below), whose sum is σ = 6401850336. Its totient is φ = 6135106480.

The previous prime is 6268478389. The next prime is 6268478417. The reversal of 6268478407 is 7048748626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7048748626 = 2 ⋅3524374313.

It is a cyclic number.

It is not a de Polignac number, because 6268478407 - 2¹⁵ = 6268445639 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 (6268478417) 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, 66685894 + ... + 66685987.

It is an arithmetic number, because the mean of its divisors is an integer number (1600462584).

Almost surely, 2^6268478407 is an apocalyptic number.

6268478407 is a deficient number, since it is larger than the sum of its proper divisors (133371929).

6268478407 is a wasteful number, since it uses less digits than its factorization.

6268478407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133371928.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The square root of 6268478407 is about 79173.7229578097. The cubic root of 6268478407 is about 1843.8292974386.

The spelling of 6268478407 in words is "six billion, two hundred sixty-eight million, four hundred seventy-eight thousand, four hundred seven".