79945337 has 2 divisors, whose sum is σ = 79945338. Its totient is φ = 79945336.

The previous prime is 79945297. The next prime is 79945379. The reversal of 79945337 is 73354997.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76545001 + 3400336 = 8749^2 + 1844^2 .

It is an emirp because it is prime and its reverse (73354997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79945337 - 2¹⁶ = 79879801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79945291 and 79945300.

It is not a weakly prime, because it can be changed into another prime (79945387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39972668 + 39972669.

It is an arithmetic number, because the mean of its divisors is an integer number (39972669).

Almost surely, 2^79945337 is an apocalyptic number.

It is an amenable number.

79945337 is a deficient number, since it is larger than the sum of its proper divisors (1).

79945337 is an equidigital number, since it uses as much as digits as its factorization.

79945337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 47.

The square root of 79945337 is about 8941.2156332347. The cubic root of 79945337 is about 430.7887757591.

It can be divided in two parts, 7994 and 5337, that added together give a palindrome (13331).

The spelling of 79945337 in words is "seventy-nine million, nine hundred forty-five thousand, three hundred thirty-seven".