6279472836 has 432 divisors, whose sum is σ = 21008891904. Its totient is φ = 1604873088.

The previous prime is 6279472831. The next prime is 6279472867. The reversal of 6279472836 is 6382749726.

6279472836 is a `hidden beast` number, since 627 + 9 + 4 + 7 + 2 + 8 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6279472831) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49444605 + ... + 49444731.

Almost surely, 2^6279472836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6279472836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10504445952).

6279472836 is an abundant number, since it is smaller than the sum of its proper divisors (14729419068).

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

6279472836 is a wasteful number, since it uses less digits than its factorization.

6279472836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 195 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 6279472836 is about 79243.1248500461. The cubic root of 6279472836 is about 1844.9066460796.

The spelling of 6279472836 in words is "six billion, two hundred seventy-nine million, four hundred seventy-two thousand, eight hundred thirty-six".