79133155488 has 36 divisors (see below), whose sum is σ = 225034911738. Its totient is φ = 26377718400.

The previous prime is 79133155481. The next prime is 79133155553. The reversal of 79133155488 is 88455133197.

79133155488 is a `hidden beast` number, since 7 + 9 + 1 + 3 + 3 + 1 + 554 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59113169424 + 20019986064 = 243132^2 + 141492^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (79133155481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137383663 + ... + 137384238.

Almost surely, 2^79133155488 is an apocalyptic number.

It is an amenable number.

79133155488 is an abundant number, since it is smaller than the sum of its proper divisors (145901756250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79133155488 is a wasteful number, since it uses less digits than its factorization.

79133155488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274767917 (or 274767906 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 79133155488 in words is "seventy-nine billion, one hundred thirty-three million, one hundred fifty-five thousand, four hundred eighty-eight".