79092091 has 4 divisors (see below), whose sum is σ = 85176112. Its totient is φ = 73008072.

The previous prime is 79092073. The next prime is 79092107. The reversal of 79092091 is 19029097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19029097 = 1721 ⋅11057.

It is a cyclic number.

It is not a de Polignac number, because 79092091 - 2¹¹ = 79090043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79092091.

It is not an unprimeable number, because it can be changed into a prime (79092061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041991 + ... + 3042016.

It is an arithmetic number, because the mean of its divisors is an integer number (21294028).

Almost surely, 2^79092091 is an apocalyptic number.

79092091 is a deficient number, since it is larger than the sum of its proper divisors (6084021).

79092091 is a wasteful number, since it uses less digits than its factorization.

79092091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084020.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 79092091 is about 8893.3734319436. The cubic root of 79092091 is about 429.2507069822.

It can be divided in two parts, 7909 and 2091, that added together give a 4-th power (10000 = 10⁴).

The spelling of 79092091 in words is "seventy-nine million, ninety-two thousand, ninety-one".