28070828522 has 64 divisors (see below), whose sum is σ = 47714531328. Its totient is φ = 12276264000.

The previous prime is 28070828483. The next prime is 28070828531. The reversal of 28070828522 is 22582807082.

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, 17467043 + ... + 17468649.

It is an arithmetic number, because the mean of its divisors is an integer number (745539552).

Almost surely, 2^28070828522 is an apocalyptic number.

28070828522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28070828522 is a deficient number, since it is larger than the sum of its proper divisors (19643702806).

28070828522 is a wasteful number, since it uses less digits than its factorization.

28070828522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 28070828522 in words is "twenty-eight billion, seventy million, eight hundred twenty-eight thousand, five hundred twenty-two".