79782611 has 2 divisors, whose sum is σ = 79782612. Its totient is φ = 79782610.

The previous prime is 79782601. The next prime is 79782617. The reversal of 79782611 is 11628797.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79782611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79782617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39891305 + 39891306.

It is an arithmetic number, because the mean of its divisors is an integer number (39891306).

Almost surely, 2^79782611 is an apocalyptic number.

79782611 is a deficient number, since it is larger than the sum of its proper divisors (1).

79782611 is an equidigital number, since it uses as much as digits as its factorization.

79782611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 79782611 is about 8932.1112285954. Note that the first 3 decimals coincide. The cubic root of 79782611 is about 430.4962919477.

The spelling of 79782611 in words is "seventy-nine million, seven hundred eighty-two thousand, six hundred eleven".