28343541876 has 24 divisors (see below), whose sum is σ = 71222233824. Its totient is φ = 8721089760.

The previous prime is 28343541841. The next prime is 28343541883. The reversal of 28343541876 is 67814534382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90844530 + ... + 90844841.

It is an arithmetic number, because the mean of its divisors is an integer number (2967593076).

Almost surely, 2^28343541876 is an apocalyptic number.

28343541876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28343541876 is an abundant number, since it is smaller than the sum of its proper divisors (42878691948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28343541876 is a wasteful number, since it uses less digits than its factorization.

28343541876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181689391 (or 181689389 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The spelling of 28343541876 in words is "twenty-eight billion, three hundred forty-three million, five hundred forty-one thousand, eight hundred seventy-six".