8278949105 has 12 divisors (see below), whose sum is σ = 11556737460. Its totient is φ = 5676993504.

The previous prime is 8278949101. The next prime is 8278949167. The reversal of 8278949105 is 5019498728.

It can be written as a sum of positive squares in 2 ways, for example, as 4607558641 + 3671390464 = 67879^2 + 60592^2 .

It is not a de Polignac number, because 8278949105 - 2² = 8278949101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8278949101) 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, 16895570 + ... + 16896059.

It is an arithmetic number, because the mean of its divisors is an integer number (963061455).

Almost surely, 2^8278949105 is an apocalyptic number.

It is an amenable number.

8278949105 is a deficient number, since it is larger than the sum of its proper divisors (3277788355).

8278949105 is a wasteful number, since it uses less digits than its factorization.

8278949105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33791648 (or 33791641 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 8278949105 is about 90988.7306483611. The cubic root of 8278949105 is about 2022.9806912985.

The spelling of 8278949105 in words is "eight billion, two hundred seventy-eight million, nine hundred forty-nine thousand, one hundred five".