79460081 has 2 divisors, whose sum is σ = 79460082. Its totient is φ = 79460080.

The previous prime is 79460047. The next prime is 79460083. The reversal of 79460081 is 18006497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 20784481 = 7660^2 + 4559^2 .

It is an emirp because it is prime and its reverse (18006497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79460081 - 2¹⁰ = 79459057 is a prime.

It is a super-2 number, since 2×79460081² = 12627808945053122, which contains 22 as substring.

Together with 79460083, 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 (79460083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39730040 + 39730041.

It is an arithmetic number, because the mean of its divisors is an integer number (39730041).

Almost surely, 2^79460081 is an apocalyptic number.

It is an amenable number.

79460081 is a deficient number, since it is larger than the sum of its proper divisors (1).

79460081 is an equidigital number, since it uses as much as digits as its factorization.

79460081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 79460081 is about 8914.0384226230. The cubic root of 79460081 is about 429.9153988960.

The spelling of 79460081 in words is "seventy-nine million, four hundred sixty thousand, eighty-one".