28892940559615 has 128 divisors (see below), whose sum is σ = 41239975772160. Its totient is φ = 19203687360000.

The previous prime is 28892940559607. The next prime is 28892940559619. The reversal of 28892940559615 is 51695504929882.

It is not a de Polignac number, because 28892940559615 - 2³ = 28892940559607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28892940559619) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7957293850 + ... + 7957297480.

It is an arithmetic number, because the mean of its divisors is an integer number (322187310720).

Almost surely, 2^{28892940559615} is an apocalyptic number.

28892940559615 is a deficient number, since it is larger than the sum of its proper divisors (12347035212545).

28892940559615 is a wasteful number, since it uses less digits than its factorization.

28892940559615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405.

The product of its (nonzero) digits is 559872000, while the sum is 73.

The spelling of 28892940559615 in words is "twenty-eight trillion, eight hundred ninety-two billion, nine hundred forty million, five hundred fifty-nine thousand, six hundred fifteen".