28135976063904 has 72 divisors (see below), whose sum is σ = 82975077581760. Its totient is φ = 9378658685376.

The previous prime is 28135976063893. The next prime is 28135976063971. The reversal of 28135976063904 is 40936067953182.

28135976063904 is a `hidden beast` number, since 2 + 8 + 1 + 3 + 597 + 6 + 0 + 6 + 39 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1809147064 + ... + 1809162615.

It is an arithmetic number, because the mean of its divisors is an integer number (1152431633080).

It is a 1-persistent number, because it is pandigital, but 2⋅28135976063904 = 56271952127808 is not.

Almost surely, 2^{28135976063904} is an apocalyptic number.

28135976063904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28135976063904 is an abundant number, since it is smaller than the sum of its proper divisors (54839101517856).

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

28135976063904 is an equidigital number, since it uses as much as digits as its factorization.

28135976063904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618309704 (or 3618309684 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 28135976063904 in words is "twenty-eight trillion, one hundred thirty-five billion, nine hundred seventy-six million, sixty-three thousand, nine hundred four".