24688012077 has 12 divisors (see below), whose sum is σ = 35816187420. Its totient is φ = 16386801408.

The previous prime is 24688012061. The next prime is 24688012087. The reversal of 24688012077 is 77021088642.

It can be written as a sum of positive squares in 2 ways, for example, as 17284097961 + 7403914116 = 131469^2 + 86046^2 .

It is not a de Polignac number, because 24688012077 - 2⁴ = 24688012061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24688012057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5987268 + ... + 5991389.

It is an arithmetic number, because the mean of its divisors is an integer number (2984682285).

Almost surely, 2^24688012077 is an apocalyptic number.

It is an amenable number.

24688012077 is a deficient number, since it is larger than the sum of its proper divisors (11128175343).

24688012077 is a wasteful number, since it uses less digits than its factorization.

24688012077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978892 (or 11978889 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 24688012077 in words is "twenty-four billion, six hundred eighty-eight million, twelve thousand, seventy-seven".