28756378944002 has 8 divisors (see below), whose sum is σ = 43360403853312. Its totient is φ = 14302910992900.

The previous prime is 28756378943983. The next prime is 28756378944017. The reversal of 28756378944002 is 20044987365782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28756378944002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37639239074 + ... + 37639239837.

It is an arithmetic number, because the mean of its divisors is an integer number (5420050481664).

Almost surely, 2^{28756378944002} is an apocalyptic number.

28756378944002 is a deficient number, since it is larger than the sum of its proper divisors (14604024909310).

28756378944002 is a wasteful number, since it uses less digits than its factorization.

28756378944002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75278479104.

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 28756378944002 in words is "twenty-eight trillion, seven hundred fifty-six billion, three hundred seventy-eight million, nine hundred forty-four thousand, two".