28061422830 has 96 divisors (see below), whose sum is σ = 86257828800. Its totient is φ = 6192861696.

The previous prime is 28061422813. The next prime is 28061422891. The reversal of 28061422830 is 3822416082.

28061422830 is a `hidden beast` number, since 2 + 8 + 0 + 614 + 2 + 2 + 8 + 30 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749695 + ... + 786234.

It is an arithmetic number, because the mean of its divisors is an integer number (898519050).

Almost surely, 2^28061422830 is an apocalyptic number.

28061422830 is an abundant number, since it is smaller than the sum of its proper divisors (58196405970).

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

28061422830 is a wasteful number, since it uses less digits than its factorization.

28061422830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535978 (or 1535975 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

It can be divided in two parts, 2806 and 1422830, that added together give a square (1425636 = 1194²).

The spelling of 28061422830 in words is "twenty-eight billion, sixty-one million, four hundred twenty-two thousand, eight hundred thirty".