28766597629 has 24 divisors (see below), whose sum is σ = 37194108768. Its totient is φ = 21992574240.

The previous prime is 28766597621. The next prime is 28766597659. The reversal of 28766597629 is 92679566782.

It is not a de Polignac number, because 28766597629 - 2³ = 28766597621 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 (28766597621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474927 + ... + 532060.

It is an arithmetic number, because the mean of its divisors is an integer number (1549754532).

Almost surely, 2^28766597629 is an apocalyptic number.

It is an amenable number.

28766597629 is a deficient number, since it is larger than the sum of its proper divisors (8427511139).

28766597629 is a wasteful number, since it uses less digits than its factorization.

28766597629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007065 (or 1007058 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 67.

The spelling of 28766597629 in words is "twenty-eight billion, seven hundred sixty-six million, five hundred ninety-seven thousand, six hundred twenty-nine".