8214946728 has 32 divisors (see below), whose sum is σ = 20558318400. Its totient is φ = 2735522048.

The previous prime is 8214946679. The next prime is 8214946759. The reversal of 8214946728 is 8276494128.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150513 + ... + 197696.

It is an arithmetic number, because the mean of its divisors is an integer number (642447450).

Almost surely, 2^8214946728 is an apocalyptic number.

It is an amenable number.

8214946728 is an abundant number, since it is smaller than the sum of its proper divisors (12343371672).

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

8214946728 is a wasteful number, since it uses less digits than its factorization.

8214946728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349201 (or 349197 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 8214946728 is about 90636.3433066449. The cubic root of 8214946728 is about 2017.7541559492.

The spelling of 8214946728 in words is "eight billion, two hundred fourteen million, nine hundred forty-six thousand, seven hundred twenty-eight".