28076627430 has 80 divisors (see below), whose sum is σ = 75995229024. Its totient is φ = 7437484800.

The previous prime is 28076627401. The next prime is 28076627461. The reversal of 28076627430 is 3472667082.

28076627430 is a `hidden beast` number, since 280 + 76 + 6 + 274 + 30 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7534 + ... + 237086.

Almost surely, 2^28076627430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28076627430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37997614512).

28076627430 is an abundant number, since it is smaller than the sum of its proper divisors (47918601594).

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

28076627430 is a wasteful number, since it uses less digits than its factorization.

28076627430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229723 (or 229714 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 28076627430 in words is "twenty-eight billion, seventy-six million, six hundred twenty-seven thousand, four hundred thirty".