28395028392 has 16 divisors (see below), whose sum is σ = 70987571040. Its totient is φ = 9465009456.

The previous prime is 28395028369. The next prime is 28395028393. The reversal of 28395028392 is 29382059382.

It is a super-2 number, since 2×28395028392² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28395028393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591563068 + ... + 591563115.

It is an arithmetic number, because the mean of its divisors is an integer number (4436723190).

Almost surely, 2^28395028392 is an apocalyptic number.

It is an amenable number.

28395028392 is an abundant number, since it is smaller than the sum of its proper divisors (42592542648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28395028392 is a wasteful number, since it uses less digits than its factorization.

28395028392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183126192 (or 1183126188 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 28395028392 in words is "twenty-eight billion, three hundred ninety-five million, twenty-eight thousand, three hundred ninety-two".