8148979 has 2 divisors, whose sum is σ = 8148980. Its totient is φ = 8148978.

The previous prime is 8148977. The next prime is 8149003. The reversal of 8148979 is 9798418.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8148979 - 2¹ = 8148977 is a prime.

Together with 8148977, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8148977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074489 + 4074490.

It is an arithmetic number, because the mean of its divisors is an integer number (4074490).

Almost surely, 2^8148979 is an apocalyptic number.

8148979 is a deficient number, since it is larger than the sum of its proper divisors (1).

8148979 is an equidigital number, since it uses as much as digits as its factorization.

8148979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 46.

The square root of 8148979 is about 2854.6416587726. The cubic root of 8148979 is about 201.2338639121.

The spelling of 8148979 in words is "eight million, one hundred forty-eight thousand, nine hundred seventy-nine".