28315162964 has 12 divisors (see below), whose sum is σ = 54056220288. Its totient is φ = 12870528600.

The previous prime is 28315162963. The next prime is 28315162973. The reversal of 28315162964 is 46926151382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315162963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321763172 + ... + 321763259.

It is an arithmetic number, because the mean of its divisors is an integer number (4504685024).

Almost surely, 2^28315162964 is an apocalyptic number.

It is an amenable number.

28315162964 is a deficient number, since it is larger than the sum of its proper divisors (25741057324).

28315162964 is a wasteful number, since it uses less digits than its factorization.

28315162964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643526446 (or 643526444 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 28315162964 in words is "twenty-eight billion, three hundred fifteen million, one hundred sixty-two thousand, nine hundred sixty-four".