79440967 has 2 divisors, whose sum is σ = 79440968. Its totient is φ = 79440966.

The previous prime is 79440953. The next prime is 79440979. The reversal of 79440967 is 76904497.

It is a strong prime.

It is an emirp because it is prime and its reverse (76904497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79440967 - 2⁷ = 79440839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79440917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39720483 + 39720484.

It is an arithmetic number, because the mean of its divisors is an integer number (39720484).

Almost surely, 2^79440967 is an apocalyptic number.

79440967 is a deficient number, since it is larger than the sum of its proper divisors (1).

79440967 is an equidigital number, since it uses as much as digits as its factorization.

79440967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 79440967 is about 8912.9662290396. The cubic root of 79440967 is about 429.8809243028.

It can be divided in two parts, 794409 and 67, that multiplied together give a triangular number (53225403 = T₁₀₃₁₇).

The spelling of 79440967 in words is "seventy-nine million, four hundred forty thousand, nine hundred sixty-seven".