28038027541 has 4 divisors (see below), whose sum is σ = 28456505632. Its totient is φ = 27619549452.

The previous prime is 28038027527. The next prime is 28038027581. The reversal of 28038027541 is 14572083082.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28038027541 - 2⁵ = 28038027509 is a prime.

It is a super-2 number, since 2×28038027541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28038027494 and 28038027503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28038027581) 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, 209238945 + ... + 209239078.

It is an arithmetic number, because the mean of its divisors is an integer number (7114126408).

Almost surely, 2^28038027541 is an apocalyptic number.

It is an amenable number.

28038027541 is a deficient number, since it is larger than the sum of its proper divisors (418478091).

28038027541 is an equidigital number, since it uses as much as digits as its factorization.

28038027541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418478090.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 28038027541 in words is "twenty-eight billion, thirty-eight million, twenty-seven thousand, five hundred forty-one".