828547138 has 16 divisors (see below), whose sum is σ = 1263784896. Its totient is φ = 407317680.

The previous prime is 828547129. The next prime is 828547151. The reversal of 828547138 is 831745828.

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, 45145 + ... + 60787.

It is an arithmetic number, because the mean of its divisors is an integer number (78986556).

Almost surely, 2^828547138 is an apocalyptic number.

828547138 is a deficient number, since it is larger than the sum of its proper divisors (435237758).

828547138 is a wasteful number, since it uses less digits than its factorization.

828547138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16089.

The product of its digits is 430080, while the sum is 46.

The square root of 828547138 is about 28784.4947497780. The cubic root of 828547138 is about 939.2309758231.

The spelling of 828547138 in words is "eight hundred twenty-eight million, five hundred forty-seven thousand, one hundred thirty-eight".