28795044768 has 96 divisors (see below), whose sum is σ = 90931760640. Its totient is φ = 7794144000.

The previous prime is 28795044767. The next prime is 28795044793. The reversal of 28795044768 is 86744059782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×28795044768² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28795044763) 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, 1114858 + ... + 1140393.

It is an arithmetic number, because the mean of its divisors is an integer number (947205840).

Almost surely, 2^28795044768 is an apocalyptic number.

28795044768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28795044768 is an abundant number, since it is smaller than the sum of its proper divisors (62136715872).

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

28795044768 is a wasteful number, since it uses less digits than its factorization.

28795044768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255290 (or 2255282 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 28795044768 in words is "twenty-eight billion, seven hundred ninety-five million, forty-four thousand, seven hundred sixty-eight".