8271130428 has 96 divisors (see below), whose sum is σ = 24769221120. Its totient is φ = 2358961920.

The previous prime is 8271130391. The next prime is 8271130471. The reversal of 8271130428 is 8240311728.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8271130392 and 8271130401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184576 + ... + 224967.

It is an arithmetic number, because the mean of its divisors is an integer number (258012720).

Almost surely, 2^8271130428 is an apocalyptic number.

It is an amenable number.

8271130428 is an abundant number, since it is smaller than the sum of its proper divisors (16498090692).

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

8271130428 is a wasteful number, since it uses less digits than its factorization.

8271130428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409584 (or 409576 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 8271130428 is about 90945.7554149725. The cubic root of 8271130428 is about 2022.3436533427.

The spelling of 8271130428 in words is "eight billion, two hundred seventy-one million, one hundred thirty thousand, four hundred twenty-eight".