28870543294 has 8 divisors (see below), whose sum is σ = 43347022488. Its totient is φ = 14421535800.

The previous prime is 28870543291. The next prime is 28870543297. The reversal of 28870543294 is 49234507882.

It is an interprime number because it is at equal distance from previous prime (28870543291) and next prime (28870543297).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28870543291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6865297 + ... + 6869500.

It is an arithmetic number, because the mean of its divisors is an integer number (5418377811).

Almost surely, 2^28870543294 is an apocalyptic number.

28870543294 is a deficient number, since it is larger than the sum of its proper divisors (14476479194).

28870543294 is a wasteful number, since it uses less digits than its factorization.

28870543294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735850.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 28870543294 in words is "twenty-eight billion, eight hundred seventy million, five hundred forty-three thousand, two hundred ninety-four".