28870431606718 has 32 divisors (see below), whose sum is σ = 48144114853632. Its totient is φ = 12894218668800.

The previous prime is 28870431606713. The next prime is 28870431606719. The reversal of 28870431606718 is 81760613407882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28870431606713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12677128 + ... + 14780068.

It is an arithmetic number, because the mean of its divisors is an integer number (1504503589176).

Almost surely, 2^{28870431606718} is an apocalyptic number.

28870431606718 is a deficient number, since it is larger than the sum of its proper divisors (19273683246914).

28870431606718 is a wasteful number, since it uses less digits than its factorization.

28870431606718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120020.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 28870431606718 in words is "twenty-eight trillion, eight hundred seventy billion, four hundred thirty-one million, six hundred six thousand, seven hundred eighteen".