79061087 has 4 divisors (see below), whose sum is σ = 90355536. Its totient is φ = 67766640.

The previous prime is 79061077. The next prime is 79061089. The reversal of 79061087 is 78016097.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78016097 = 787 ⋅99131.

It is a cyclic number.

It is not a de Polignac number, because 79061087 - 2⁶ = 79061023 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 79061087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79061089) 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, 5647214 + ... + 5647227.

It is an arithmetic number, because the mean of its divisors is an integer number (22588884).

Almost surely, 2^79061087 is an apocalyptic number.

79061087 is a deficient number, since it is larger than the sum of its proper divisors (11294449).

79061087 is a wasteful number, since it uses less digits than its factorization.

79061087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294448.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 79061087 is about 8891.6301654983. The cubic root of 79061087 is about 429.1946110730.

The spelling of 79061087 in words is "seventy-nine million, sixty-one thousand, eighty-seven".