28077143041 has 4 divisors (see below), whose sum is σ = 28114932672. Its totient is φ = 28039353412.

The previous prime is 28077143009. The next prime is 28077143053. The reversal of 28077143041 is 14034177082.

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 28077143041 - 2⁵ = 28077143009 is a prime.

It is a super-2 number, since 2×28077143041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28077144041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893701 + ... + 18895186.

It is an arithmetic number, because the mean of its divisors is an integer number (7028733168).

Almost surely, 2^28077143041 is an apocalyptic number.

It is an amenable number.

28077143041 is a deficient number, since it is larger than the sum of its proper divisors (37789631).

28077143041 is an equidigital number, since it uses as much as digits as its factorization.

28077143041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37789630.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 28077143041 in words is "twenty-eight billion, seventy-seven million, one hundred forty-three thousand, forty-one".