79148653 has 2 divisors, whose sum is σ = 79148654. Its totient is φ = 79148652.

The previous prime is 79148647. The next prime is 79148687. The reversal of 79148653 is 35684197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 26193924 = 7277^2 + 5118^2 .

It is a cyclic number.

It is not a de Polignac number, because 79148653 - 2⁵ = 79148621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79148603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39574326 + 39574327.

It is an arithmetic number, because the mean of its divisors is an integer number (39574327).

Almost surely, 2^79148653 is an apocalyptic number.

It is an amenable number.

79148653 is a deficient number, since it is larger than the sum of its proper divisors (1).

79148653 is an equidigital number, since it uses as much as digits as its factorization.

79148653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 79148653 is about 8896.5528717588. The cubic root of 79148653 is about 429.3530075316.

The spelling of 79148653 in words is "seventy-nine million, one hundred forty-eight thousand, six hundred fifty-three".