79773097 has 2 divisors, whose sum is σ = 79773098. Its totient is φ = 79773096.

The previous prime is 79773079. The next prime is 79773107. The reversal of 79773097 is 79037797.

It is a happy number.

Together with previous prime (79773079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68823616 + 10949481 = 8296^2 + 3309^2 .

It is a cyclic number.

It is not a de Polignac number, because 79773097 - 2⁷ = 79772969 is a prime.

It is a super-3 number, since 3×79773097³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79773097.

It is not a weakly prime, because it can be changed into another prime (79773037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39886548 + 39886549.

It is an arithmetic number, because the mean of its divisors is an integer number (39886549).

Almost surely, 2^79773097 is an apocalyptic number.

It is an amenable number.

79773097 is a deficient number, since it is larger than the sum of its proper divisors (1).

79773097 is an equidigital number, since it uses as much as digits as its factorization.

79773097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583443, while the sum is 49.

The square root of 79773097 is about 8931.5786398598. The cubic root of 79773097 is about 430.4791791772.

The spelling of 79773097 in words is "seventy-nine million, seven hundred seventy-three thousand, ninety-seven".