44866687687 has 2 divisors, whose sum is σ = 44866687688. Its totient is φ = 44866687686.

The previous prime is 44866687667. The next prime is 44866687693. The reversal of 44866687687 is 78678666844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44866687687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44866687667) 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 as a sum of consecutive naturals, namely, 22433343843 + 22433343844.

It is an arithmetic number, because the mean of its divisors is an integer number (22433343844).

Almost surely, 2^44866687687 is an apocalyptic number.

44866687687 is a deficient number, since it is larger than the sum of its proper divisors (1).

44866687687 is an equidigital number, since it uses as much as digits as its factorization.

44866687687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 520224768, while the sum is 70.

The spelling of 44866687687 in words is "forty-four billion, eight hundred sixty-six million, six hundred eighty-seven thousand, six hundred eighty-seven".