28763201697 has 16 divisors (see below), whose sum is σ = 40616940672. Its totient is φ = 18043024640.

The previous prime is 28763201657. The next prime is 28763201713. The reversal of 28763201697 is 79610236782.

It is a cyclic number.

It is not a de Polignac number, because 28763201697 - 2¹⁹ = 28762677409 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (28763201617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144172 + ... + 279842.

It is an arithmetic number, because the mean of its divisors is an integer number (2538558792).

Almost surely, 2^28763201697 is an apocalyptic number.

It is an amenable number.

28763201697 is a deficient number, since it is larger than the sum of its proper divisors (11853738975).

28763201697 is a wasteful number, since it uses less digits than its factorization.

28763201697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139848.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 28763201697 in words is "twenty-eight billion, seven hundred sixty-three million, two hundred one thousand, six hundred ninety-seven".