3845997279 has 12 divisors (see below), whose sum is σ = 5796865776. Its totient is φ = 2452519872.

The previous prime is 3845997247. The next prime is 3845997289. The reversal of 3845997279 is 9727995483.

3845997279 is a `hidden beast` number, since 38 + 4 + 599 + 7 + 2 + 7 + 9 = 666.

It is not a de Polignac number, because 3845997279 - 2⁵ = 3845997247 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845997289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9289642 + ... + 9290055.

It is an arithmetic number, because the mean of its divisors is an integer number (483072148).

Almost surely, 2^3845997279 is an apocalyptic number.

3845997279 is a deficient number, since it is larger than the sum of its proper divisors (1950868497).

3845997279 is a wasteful number, since it uses less digits than its factorization.

3845997279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18579726 (or 18579723 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The square root of 3845997279 is about 62016.1049970086. The cubic root of 3845997279 is about 1566.7618599821.

The spelling of 3845997279 in words is "three billion, eight hundred forty-five million, nine hundred ninety-seven thousand, two hundred seventy-nine".