28999076141 has 4 divisors (see below), whose sum is σ = 33141801312. Its totient is φ = 24856350972.

The previous prime is 28999076137. The next prime is 28999076149. The reversal of 28999076141 is 14167099982.

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 28999076141 - 2² = 28999076137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28999076149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071362575 + ... + 2071362588.

It is an arithmetic number, because the mean of its divisors is an integer number (8285450328).

Almost surely, 2^28999076141 is an apocalyptic number.

It is an amenable number.

28999076141 is a deficient number, since it is larger than the sum of its proper divisors (4142725171).

28999076141 is an equidigital number, since it uses as much as digits as its factorization.

28999076141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142725170.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 28999076141 in words is "twenty-eight billion, nine hundred ninety-nine million, seventy-six thousand, one hundred forty-one".