28812476430 has 48 divisors (see below), whose sum is σ = 77495633280. Its totient is φ = 7418384064.

The previous prime is 28812476393. The next prime is 28812476437. The reversal of 28812476430 is 3467421882.

It is a happy number.

28812476430 is a `hidden beast` number, since 28 + 8 + 124 + 76 + 430 = 666.

28812476430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28812476437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5517022 + ... + 5522241.

It is an arithmetic number, because the mean of its divisors is an integer number (1614492360).

Almost surely, 2^28812476430 is an apocalyptic number.

28812476430 is an abundant number, since it is smaller than the sum of its proper divisors (48683156850).

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

28812476430 is a wasteful number, since it uses less digits than its factorization.

28812476430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039305 (or 11039302 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 28812476430 in words is "twenty-eight billion, eight hundred twelve million, four hundred seventy-six thousand, four hundred thirty".