79967387 has 2 divisors, whose sum is σ = 79967388. Its totient is φ = 79967386.

The previous prime is 79967359. The next prime is 79967399. The reversal of 79967387 is 78376997.

It is a strong prime.

It is an emirp because it is prime and its reverse (78376997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79967387 - 2¹⁶ = 79901851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79966387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39983693 + 39983694.

It is an arithmetic number, because the mean of its divisors is an integer number (39983694).

Almost surely, 2^79967387 is an apocalyptic number.

79967387 is a deficient number, since it is larger than the sum of its proper divisors (1).

79967387 is an equidigital number, since it uses as much as digits as its factorization.

79967387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 79967387 is about 8942.4486020329. The cubic root of 79967387 is about 430.8283778993.

It can be divided in two parts, 799 and 67387, that added together give a palindrome (68186).

The spelling of 79967387 in words is "seventy-nine million, nine hundred sixty-seven thousand, three hundred eighty-seven".