79963211 has 8 divisors (see below), whose sum is σ = 80972304. Its totient is φ = 78958080.

The previous prime is 79963199. The next prime is 79963283. The reversal of 79963211 is 11236997.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79963211 - 2¹⁰ = 79962187 is a prime.

It is a super-2 number, since 2×79963211² = 12788230226861042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79963511) 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, 66431 + ... + 67623.

It is an arithmetic number, because the mean of its divisors is an integer number (10121538).

Almost surely, 2^79963211 is an apocalyptic number.

79963211 is a deficient number, since it is larger than the sum of its proper divisors (1009093).

79963211 is a wasteful number, since it uses less digits than its factorization.

79963211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its digits is 20412, while the sum is 38.

The square root of 79963211 is about 8942.2151058896. The cubic root of 79963211 is about 430.8208782977.

The spelling of 79963211 in words is "seventy-nine million, nine hundred sixty-three thousand, two hundred eleven".