28861906935 has 8 divisors (see below), whose sum is σ = 46179051120. Its totient is φ = 15393017024.

The previous prime is 28861906903. The next prime is 28861906939. The reversal of 28861906935 is 53960916882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28861906935 - 2⁵ = 28861906903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28861906939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962063550 + ... + 962063579.

It is an arithmetic number, because the mean of its divisors is an integer number (5772381390).

Almost surely, 2^28861906935 is an apocalyptic number.

28861906935 is a deficient number, since it is larger than the sum of its proper divisors (17317144185).

28861906935 is a wasteful number, since it uses less digits than its factorization.

28861906935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924127137.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 28861906935 in words is "twenty-eight billion, eight hundred sixty-one million, nine hundred six thousand, nine hundred thirty-five".