79312078449 has 16 divisors (see below), whose sum is σ = 117524390400. Its totient is φ = 52863462288.

The previous prime is 79312078397. The next prime is 79312078501. The reversal of 79312078449 is 94487021397.

79312078449 is a `hidden beast` number, since 7 + 9 + 3 + 120 + 78 + 449 = 666.

It is an interprime number because it is at equal distance from previous prime (79312078397) and next prime (79312078501).

It is not a de Polignac number, because 79312078449 - 2¹¹ = 79312076401 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 79312078395 and 79312078404.

It is not an unprimeable number, because it can be changed into a prime (79312778449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182529 + ... + 438110.

It is an arithmetic number, because the mean of its divisors is an integer number (7345274400).

Almost surely, 2^79312078449 is an apocalyptic number.

It is an amenable number.

79312078449 is a deficient number, since it is larger than the sum of its proper divisors (38212311951).

79312078449 is a wasteful number, since it uses less digits than its factorization.

79312078449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625381 (or 625375 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 79312078449 in words is "seventy-nine billion, three hundred twelve million, seventy-eight thousand, four hundred forty-nine".