28041995854 has 8 divisors (see below), whose sum is σ = 42063809040. Its totient is φ = 14020726176.

The previous prime is 28041995851. The next prime is 28041995857. The reversal of 28041995854 is 45859914082.

It is an interprime number because it is at equal distance from previous prime (28041995851) and next prime (28041995857).

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

It is a junction number, because it is equal to n+sod(n) for n = 28041995795 and 28041995804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28041995851) 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, 37207 + ... + 239725.

It is an arithmetic number, because the mean of its divisors is an integer number (5257976130).

Almost surely, 2^28041995854 is an apocalyptic number.

28041995854 is a deficient number, since it is larger than the sum of its proper divisors (14021813186).

28041995854 is a wasteful number, since it uses less digits than its factorization.

28041995854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271754.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 28041995854 in words is "twenty-eight billion, forty-one million, nine hundred ninety-five thousand, eight hundred fifty-four".