28700653749 has 8 divisors (see below), whose sum is σ = 38288676192. Its totient is φ = 19123200240.

The previous prime is 28700653717. The next prime is 28700653759. The reversal of 28700653749 is 94735600782.

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

It is not a de Polignac number, because 28700653749 - 2⁵ = 28700653717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700653759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635894 + ... + 2646759.

It is an arithmetic number, because the mean of its divisors is an integer number (4786084524).

Almost surely, 2^28700653749 is an apocalyptic number.

It is an amenable number.

28700653749 is a deficient number, since it is larger than the sum of its proper divisors (9588022443).

28700653749 is a wasteful number, since it uses less digits than its factorization.

28700653749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284467.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 28700653749 in words is "twenty-eight billion, seven hundred million, six hundred fifty-three thousand, seven hundred forty-nine".