28135976063905 has 16 divisors (see below), whose sum is σ = 33835766976000. Its totient is φ = 22460389580160.

The previous prime is 28135976063893. The next prime is 28135976063971. The reversal of 28135976063905 is 50936067953182.

It is a de Polignac number, because none of the positive numbers 2^k-28135976063905 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38946421 + ... + 39662269.

It is an arithmetic number, because the mean of its divisors is an integer number (2114735436000).

Almost surely, 2^{28135976063905} is an apocalyptic number.

It is an amenable number.

28135976063905 is a deficient number, since it is larger than the sum of its proper divisors (5699790912095).

28135976063905 is a wasteful number, since it uses less digits than its factorization.

28135976063905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732744.

The product of its (nonzero) digits is 73483200, while the sum is 64.

The spelling of 28135976063905 in words is "twenty-eight trillion, one hundred thirty-five billion, nine hundred seventy-six million, sixty-three thousand, nine hundred five".