79811061 has 8 divisors (see below), whose sum is σ = 116088864. Its totient is φ = 48370320.

The previous prime is 79811059. The next prime is 79811071. The reversal of 79811061 is 16011897.

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

It is not a de Polignac number, because 79811061 - 2¹ = 79811059 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2418517 = 79811061 / (7 + 9 + 8 + 1 + 1 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79811071) 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, 1209226 + ... + 1209291.

It is an arithmetic number, because the mean of its divisors is an integer number (14511108).

Almost surely, 2^79811061 is an apocalyptic number.

It is an amenable number.

79811061 is a deficient number, since it is larger than the sum of its proper divisors (36277803).

79811061 is a wasteful number, since it uses less digits than its factorization.

79811061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418531.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 79811061 is about 8933.7036552597. The cubic root of 79811061 is about 430.5474566641.

The spelling of 79811061 in words is "seventy-nine million, eight hundred eleven thousand, sixty-one".