79220771 has 8 divisors (see below), whose sum is σ = 91094784. Its totient is φ = 67485960.

The previous prime is 79220759. The next prime is 79220789. The reversal of 79220771 is 17702297.

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

It is a cyclic number.

It is not a de Polignac number, because 79220771 - 2⁶ = 79220707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79220971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33575 + ... + 35856.

It is an arithmetic number, because the mean of its divisors is an integer number (11386848).

Almost surely, 2^79220771 is an apocalyptic number.

79220771 is a deficient number, since it is larger than the sum of its proper divisors (11874013).

79220771 is a wasteful number, since it uses less digits than its factorization.

79220771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69601.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 79220771 is about 8900.6050917901. The cubic root of 79220771 is about 429.4833726916.

The spelling of 79220771 in words is "seventy-nine million, two hundred twenty thousand, seven hundred seventy-one".