28894006903660 has 48 divisors (see below), whose sum is σ = 60697779408000. Its totient is φ = 11553724479744.

The previous prime is 28894006903633. The next prime is 28894006903693. The reversal of 28894006903660 is 6630960049882.

It is a super-4 number, since 4×28894006903660⁴ (a number of 55 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857906701 + ... + 857940379.

It is an arithmetic number, because the mean of its divisors is an integer number (1264537071000).

Almost surely, 2^{28894006903660} is an apocalyptic number.

28894006903660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28894006903660 is an abundant number, since it is smaller than the sum of its proper divisors (31803772504340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28894006903660 is a wasteful number, since it uses less digits than its factorization.

28894006903660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810 (or 46808 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 28894006903660 in words is "twenty-eight trillion, eight hundred ninety-four billion, six million, nine hundred three thousand, six hundred sixty".