79845578006 has 16 divisors (see below), whose sum is σ = 120661353216. Its totient is φ = 39625217856.

The previous prime is 79845577949. The next prime is 79845578011. The reversal of 79845578006 is 60087554897.

It is a happy number.

It is a super-2 number, since 2×79845578006² (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, 2106635 + ... + 2144201.

It is an arithmetic number, because the mean of its divisors is an integer number (7541334576).

Almost surely, 2^79845578006 is an apocalyptic number.

79845578006 is a deficient number, since it is larger than the sum of its proper divisors (40815775210).

79845578006 is a wasteful number, since it uses less digits than its factorization.

79845578006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45463.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 79845578006 in words is "seventy-nine billion, eight hundred forty-five million, five hundred seventy-eight thousand, six".