79823741 has 2 divisors, whose sum is σ = 79823742. Its totient is φ = 79823740.

The previous prime is 79823707. The next prime is 79823743. The reversal of 79823741 is 14732897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 35880100 = 6629^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 79823741 - 2⁶ = 79823677 is a prime.

It is a Sophie Germain prime.

Together with 79823743, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79823743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39911870 + 39911871.

It is an arithmetic number, because the mean of its divisors is an integer number (39911871).

Almost surely, 2^79823741 is an apocalyptic number.

It is an amenable number.

79823741 is a deficient number, since it is larger than the sum of its proper divisors (1).

79823741 is an equidigital number, since it uses as much as digits as its factorization.

79823741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 79823741 is about 8934.4132991484. The cubic root of 79823741 is about 430.5702565642.

The spelling of 79823741 in words is "seventy-nine million, eight hundred twenty-three thousand, seven hundred forty-one".