28670471955814 has 16 divisors (see below), whose sum is σ = 49038182803008. Its totient is φ = 12454141663872.

The previous prime is 28670471955793. The next prime is 28670471955821. The reversal of 28670471955814 is 41855917407682.

It is a self number, because there is not a number n which added to its sum of digits gives 28670471955814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32432660142 + ... + 32432661025.

It is an arithmetic number, because the mean of its divisors is an integer number (3064886425188).

Almost surely, 2^{28670471955814} is an apocalyptic number.

28670471955814 is a deficient number, since it is larger than the sum of its proper divisors (20367710847194).

28670471955814 is a wasteful number, since it uses less digits than its factorization.

28670471955814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64865321199.

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 28670471955814 in words is "twenty-eight trillion, six hundred seventy billion, four hundred seventy-one million, nine hundred fifty-five thousand, eight hundred fourteen".