79727051 has 2 divisors, whose sum is σ = 79727052. Its totient is φ = 79727050.

The previous prime is 79726987. The next prime is 79727057. The reversal of 79727051 is 15072797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79727051 - 2⁶ = 79726987 is a prime.

It is a super-2 number, since 2×79727051² = 12712805322313202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79726996 and 79727014.

It is not a weakly prime, because it can be changed into another prime (79727057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39863525 + 39863526.

It is an arithmetic number, because the mean of its divisors is an integer number (39863526).

Almost surely, 2^79727051 is an apocalyptic number.

79727051 is a deficient number, since it is larger than the sum of its proper divisors (1).

79727051 is an equidigital number, since it uses as much as digits as its factorization.

79727051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 79727051 is about 8929.0005599731. Note that the first 3 decimals coincide. The cubic root of 79727051 is about 430.3963373001.

The spelling of 79727051 in words is "seventy-nine million, seven hundred twenty-seven thousand, fifty-one".