79493747 has 2 divisors, whose sum is σ = 79493748. Its totient is φ = 79493746.

The previous prime is 79493719. The next prime is 79493749. The reversal of 79493747 is 74739497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79493747 - 2¹⁶ = 79428211 is a prime.

Together with 79493749, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79493695 and 79493704.

It is not a weakly prime, because it can be changed into another prime (79493749) 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, 39746873 + 39746874.

It is an arithmetic number, because the mean of its divisors is an integer number (39746874).

Almost surely, 2^79493747 is an apocalyptic number.

79493747 is a deficient number, since it is larger than the sum of its proper divisors (1).

79493747 is an equidigital number, since it uses as much as digits as its factorization.

79493747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 79493747 is about 8915.9265923402. The cubic root of 79493747 is about 429.9761064784.

The spelling of 79493747 in words is "seventy-nine million, four hundred ninety-three thousand, seven hundred forty-seven".