28571813401 has 8 divisors (see below), whose sum is σ = 29519743680. Its totient is φ = 27633131568.

The previous prime is 28571813383. The next prime is 28571813447. The reversal of 28571813401 is 10431817582.

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

It is a cyclic number.

It is not a de Polignac number, because 28571813401 - 2¹³ = 28571805209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28571817401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305831 + ... + 2318188.

It is an arithmetic number, because the mean of its divisors is an integer number (3689967960).

Almost surely, 2^28571813401 is an apocalyptic number.

It is an amenable number.

28571813401 is a deficient number, since it is larger than the sum of its proper divisors (947930279).

28571813401 is a wasteful number, since it uses less digits than its factorization.

28571813401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624223.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 28571813401 in words is "twenty-eight billion, five hundred seventy-one million, eight hundred thirteen thousand, four hundred one".