79967311 has 8 divisors (see below), whose sum is σ = 81067824. Its totient is φ = 78874560.

The previous prime is 79967299. The next prime is 79967341. The reversal of 79967311 is 11376997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79967311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79967341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20541 + ... + 24121.

It is an arithmetic number, because the mean of its divisors is an integer number (10133478).

Almost surely, 2^79967311 is an apocalyptic number.

79967311 is a deficient number, since it is larger than the sum of its proper divisors (1100513).

79967311 is a wasteful number, since it uses less digits than its factorization.

79967311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its digits is 71442, while the sum is 43.

The square root of 79967311 is about 8942.4443526365. Note that the first 3 decimals coincide. The cubic root of 79967311 is about 430.8282414146.

The spelling of 79967311 in words is "seventy-nine million, nine hundred sixty-seven thousand, three hundred eleven".