79848961 has 2 divisors, whose sum is σ = 79848962. Its totient is φ = 79848960.

The previous prime is 79848959. The next prime is 79848971. The reversal of 79848961 is 16984897.

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., 74718736 + 5130225 = 8644^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 79848961 - 2¹ = 79848959 is a prime.

Together with 79848959, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 79848899 and 79848908.

It is not a weakly prime, because it can be changed into another prime (79848971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39924480 + 39924481.

It is an arithmetic number, because the mean of its divisors is an integer number (39924481).

Almost surely, 2^79848961 is an apocalyptic number.

It is an amenable number.

79848961 is a deficient number, since it is larger than the sum of its proper divisors (1).

79848961 is an equidigital number, since it uses as much as digits as its factorization.

79848961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 79848961 is about 8935.8245842228. The cubic root of 79848961 is about 430.6155974545.

It can be divided in two parts, 7984896 and 1, that added together give a palindrome (7984897).

The spelling of 79848961 in words is "seventy-nine million, eight hundred forty-eight thousand, nine hundred sixty-one".