79894211 has 4 divisors (see below), whose sum is σ = 82053552. Its totient is φ = 77734872.

The previous prime is 79894181. The next prime is 79894229. The reversal of 79894211 is 11249897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79894211 - 2¹⁸ = 79632067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79894231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079615 + ... + 1079688.

It is an arithmetic number, because the mean of its divisors is an integer number (20513388).

Almost surely, 2^79894211 is an apocalyptic number.

79894211 is a deficient number, since it is larger than the sum of its proper divisors (2159341).

79894211 is a wasteful number, since it uses less digits than its factorization.

79894211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159340.

The product of its digits is 36288, while the sum is 41.

The square root of 79894211 is about 8938.3561687818. The cubic root of 79894211 is about 430.6969246500.

The spelling of 79894211 in words is "seventy-nine million, eight hundred ninety-four thousand, two hundred eleven".