79527949 has 2 divisors, whose sum is σ = 79527950. Its totient is φ = 79527948.

The previous prime is 79527937. The next prime is 79527953. The reversal of 79527949 is 94972597.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69806025 + 9721924 = 8355^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 79527949 - 2²¹ = 77430797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79527896 and 79527905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79567949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39763974 + 39763975.

It is an arithmetic number, because the mean of its divisors is an integer number (39763975).

Almost surely, 2^79527949 is an apocalyptic number.

It is an amenable number.

79527949 is a deficient number, since it is larger than the sum of its proper divisors (1).

79527949 is an equidigital number, since it uses as much as digits as its factorization.

79527949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The square root of 79527949 is about 8917.8444144311. The cubic root of 79527949 is about 430.0377630437.

The spelling of 79527949 in words is "seventy-nine million, five hundred twenty-seven thousand, nine hundred forty-nine".