79587572747 has 2 divisors, whose sum is σ = 79587572748. Its totient is φ = 79587572746.

The previous prime is 79587572693. The next prime is 79587572783. The reversal of 79587572747 is 74727578597.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79587572747 is a prime.

It is not a weakly prime, because it can be changed into another prime (79587572347) 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 as a sum of consecutive naturals, namely, 39793786373 + 39793786374.

It is an arithmetic number, because the mean of its divisors is an integer number (39793786374).

Almost surely, 2^79587572747 is an apocalyptic number.

79587572747 is a deficient number, since it is larger than the sum of its proper divisors (1).

79587572747 is an equidigital number, since it uses as much as digits as its factorization.

79587572747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 242020800, while the sum is 68.

The spelling of 79587572747 in words is "seventy-nine billion, five hundred eighty-seven million, five hundred seventy-two thousand, seven hundred forty-seven".