79422264805 has 8 divisors (see below), whose sum is σ = 102638003832. Its totient is φ = 58650287808.

The previous prime is 79422264797. The next prime is 79422264821. The reversal of 79422264805 is 50846222497.

It can be written as a sum of positive squares in 4 ways, for example, as 448338276 + 78973926529 = 21174^2 + 281023^2 .

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 79422264805 - 2³ = 79422264797 is a prime.

It is a super-2 number, since 2×79422264805² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610940434 + ... + 610940563.

It is an arithmetic number, because the mean of its divisors is an integer number (12829750479).

Almost surely, 2^79422264805 is an apocalyptic number.

It is an amenable number.

79422264805 is a deficient number, since it is larger than the sum of its proper divisors (23215739027).

79422264805 is a wasteful number, since it uses less digits than its factorization.

79422264805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221881015.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 79422264805 in words is "seventy-nine billion, four hundred twenty-two million, two hundred sixty-four thousand, eight hundred five".