28796163807 has 32 divisors (see below), whose sum is σ = 39299420160. Its totient is φ = 18749864160.

The previous prime is 28796163787. The next prime is 28796163817. The reversal of 28796163807 is 70836169782.

It is not a de Polignac number, because 28796163807 - 2¹⁰ = 28796162783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28796163817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23391882 + ... + 23393112.

It is an arithmetic number, because the mean of its divisors is an integer number (1228106880).

Almost surely, 2^28796163807 is an apocalyptic number.

28796163807 is a deficient number, since it is larger than the sum of its proper divisors (10503256353).

28796163807 is a wasteful number, since it uses less digits than its factorization.

28796163807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 28796163807 in words is "twenty-eight billion, seven hundred ninety-six million, one hundred sixty-three thousand, eight hundred seven".