28140678516670 has 8 divisors (see below), whose sum is σ = 50653221330024. Its totient is φ = 11256271406664.

The previous prime is 28140678516661. The next prime is 28140678516739. The reversal of 28140678516670 is 7661587604182.

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

It is a junction number, because it is equal to n+sod(n) for n = 28140678516599 and 28140678516608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407033925824 + ... + 1407033925843.

It is an arithmetic number, because the mean of its divisors is an integer number (6331652666253).

Almost surely, 2^{28140678516670} is an apocalyptic number.

28140678516670 is a deficient number, since it is larger than the sum of its proper divisors (22512542813354).

28140678516670 is a wasteful number, since it uses less digits than its factorization.

28140678516670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814067851674.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 28140678516670 in words is "twenty-eight trillion, one hundred forty billion, six hundred seventy-eight million, five hundred sixteen thousand, six hundred seventy".