28874328888886 has 12 divisors (see below), whose sum is σ = 46899427692852. Its totient is φ = 13326613333176.

The previous prime is 28874328888871. The next prime is 28874328888901. The reversal of 28874328888886 is 68888882347882.

It is an interprime number because it is at equal distance from previous prime (28874328888871) and next prime (28874328888901).

It is a junction number, because it is equal to n+sod(n) for n = 28874328888797 and 28874328888806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42713503936 + ... + 42713504611.

It is an arithmetic number, because the mean of its divisors is an integer number (3908285641071).

Almost surely, 2^{28874328888886} is an apocalyptic number.

28874328888886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28874328888886 is a deficient number, since it is larger than the sum of its proper divisors (18025098803966).

28874328888886 is a wasteful number, since it uses less digits than its factorization.

28874328888886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85427008575 (or 85427008562 counting only the distinct ones).

The product of its digits is 33822867456, while the sum is 88.

The spelling of 28874328888886 in words is "twenty-eight trillion, eight hundred seventy-four billion, three hundred twenty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-six".