28812420476 has 12 divisors (see below), whose sum is σ = 57624841008. Its totient is φ = 12348180192.

The previous prime is 28812420467. The next prime is 28812420487. The reversal of 28812420476 is 67402421882.

28812420476 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514507481 + ... + 514507536.

It is an arithmetic number, because the mean of its divisors is an integer number (4802070084).

Almost surely, 2^28812420476 is an apocalyptic number.

It is an amenable number.

28812420476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28812420476 is a wasteful number, since it uses less digits than its factorization.

28812420476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029015028 (or 1029015026 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 28812420476 in words is "twenty-eight billion, eight hundred twelve million, four hundred twenty thousand, four hundred seventy-six".