28601620267 has 24 divisors (see below), whose sum is σ = 33511212000. Its totient is φ = 24307472640.

The previous prime is 28601620211. The next prime is 28601620283. The reversal of 28601620267 is 76202610682.

It is not a de Polignac number, because 28601620267 - 2²³ = 28593231659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28601620297) 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 23 ways as a sum of consecutive naturals, for example, 259834 + ... + 353152.

It is an arithmetic number, because the mean of its divisors is an integer number (1396300500).

Almost surely, 2^28601620267 is an apocalyptic number.

28601620267 is a deficient number, since it is larger than the sum of its proper divisors (4909591733).

28601620267 is a wasteful number, since it uses less digits than its factorization.

28601620267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93507 (or 93496 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 28601620267 in words is "twenty-eight billion, six hundred one million, six hundred twenty thousand, two hundred sixty-seven".