28081464596 has 6 divisors (see below), whose sum is σ = 49142563050. Its totient is φ = 14040732296.

The previous prime is 28081464577. The next prime is 28081464629. The reversal of 28081464596 is 69546418082.

It can be written as a sum of positive squares in only one way, i.e., 22341280900 + 5740183696 = 149470^2 + 75764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510183071 + ... + 3510183078.

It is an arithmetic number, because the mean of its divisors is an integer number (8190427175).

Almost surely, 2^28081464596 is an apocalyptic number.

It is an amenable number.

28081464596 is a deficient number, since it is larger than the sum of its proper divisors (21061098454).

28081464596 is a wasteful number, since it uses less digits than its factorization.

28081464596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020366153 (or 7020366151 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 28081464596 in words is "twenty-eight billion, eighty-one million, four hundred sixty-four thousand, five hundred ninety-six".