79823611 has 4 divisors (see below), whose sum is σ = 91226992. Its totient is φ = 68420232.

The previous prime is 79823603. The next prime is 79823641. The reversal of 79823611 is 11632897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11632897 = 577 ⋅20161.

It is a cyclic number.

It is not a de Polignac number, because 79823611 - 2³ = 79823603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79823641) 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, 5701680 + ... + 5701693.

It is an arithmetic number, because the mean of its divisors is an integer number (22806748).

Almost surely, 2^79823611 is an apocalyptic number.

79823611 is a deficient number, since it is larger than the sum of its proper divisors (11403381).

79823611 is a wasteful number, since it uses less digits than its factorization.

79823611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403380.

The product of its digits is 18144, while the sum is 37.

The square root of 79823611 is about 8934.4060239056. The cubic root of 79823611 is about 430.5700228235.

The spelling of 79823611 in words is "seventy-nine million, eight hundred twenty-three thousand, six hundred eleven".