79549148552 has 16 divisors (see below), whose sum is σ = 154297917900. Its totient is φ = 38403037120.

The previous prime is 79549148551. The next prime is 79549148563. The reversal of 79549148552 is 25584194597.

It can be written as a sum of positive squares in 2 ways, for example, as 69741415396 + 9807733156 = 264086^2 + 99034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79549148491 and 79549148500.

It is not an unprimeable number, because it can be changed into a prime (79549148551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171441899 + ... + 171442362.

Almost surely, 2^79549148552 is an apocalyptic number.

It is an amenable number.

79549148552 is a deficient number, since it is larger than the sum of its proper divisors (74748769348).

79549148552 is a wasteful number, since it uses less digits than its factorization.

79549148552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342884296 (or 342884292 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 59.

The spelling of 79549148552 in words is "seventy-nine billion, five hundred forty-nine million, one hundred forty-eight thousand, five hundred fifty-two".