28677870143 has 8 divisors (see below), whose sum is σ = 30894345888. Its totient is φ = 26462892384.

The previous prime is 28677870119. The next prime is 28677870149. The reversal of 28677870143 is 34107877682.

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

It is a cyclic number.

It is not a de Polignac number, because 28677870143 - 2¹⁰ = 28677869119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677870149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334571 + ... + 411452.

It is an arithmetic number, because the mean of its divisors is an integer number (3861793236).

Almost surely, 2^28677870143 is an apocalyptic number.

28677870143 is a deficient number, since it is larger than the sum of its proper divisors (2216475745).

28677870143 is a wasteful number, since it uses less digits than its factorization.

28677870143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748993.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 28677870143 in words is "twenty-eight billion, six hundred seventy-seven million, eight hundred seventy thousand, one hundred forty-three".