79726487511 has 36 divisors (see below), whose sum is σ = 124121993576. Its totient is φ = 45476724480.

The previous prime is 79726487509. The next prime is 79726487563. The reversal of 79726487511 is 11578462797.

It is not a de Polignac number, because 79726487511 - 2¹ = 79726487509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79726487501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 275080 + ... + 484893.

Almost surely, 2^79726487511 is an apocalyptic number.

79726487511 is a deficient number, since it is larger than the sum of its proper divisors (44395506065).

79726487511 is a wasteful number, since it uses less digits than its factorization.

79726487511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760032 (or 760004 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 57.

The spelling of 79726487511 in words is "seventy-nine billion, seven hundred twenty-six million, four hundred eighty-seven thousand, five hundred eleven".