79677043 has 2 divisors, whose sum is σ = 79677044. Its totient is φ = 79677042.

The previous prime is 79676959. The next prime is 79677047. The reversal of 79677043 is 34077697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79677043 - 2¹⁷ = 79545971 is a prime.

It is not a weakly prime, because it can be changed into another prime (79677047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39838521 + 39838522.

It is an arithmetic number, because the mean of its divisors is an integer number (39838522).

Almost surely, 2^79677043 is an apocalyptic number.

79677043 is a deficient number, since it is larger than the sum of its proper divisors (1).

79677043 is an equidigital number, since it uses as much as digits as its factorization.

79677043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 79677043 is about 8926.1998073088. The cubic root of 79677043 is about 430.3063312046.

The spelling of 79677043 in words is "seventy-nine million, six hundred seventy-seven thousand, forty-three".