828377836 has 72 divisors (see below), whose sum is σ = 1813465584. Its totient is φ = 327075840.

The previous prime is 828377831. The next prime is 828377881. The reversal of 828377836 is 638773828.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (828377831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123136 + ... + 129688.

It is an arithmetic number, because the mean of its divisors is an integer number (25187022).

Almost surely, 2^828377836 is an apocalyptic number.

It is an amenable number.

828377836 is an abundant number, since it is smaller than the sum of its proper divisors (985087748).

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

828377836 is a wasteful number, since it uses less digits than its factorization.

828377836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611 (or 6596 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 828377836 is about 28781.5537454113. The cubic root of 828377836 is about 939.1669985681.

The spelling of 828377836 in words is "eight hundred twenty-eight million, three hundred seventy-seven thousand, eight hundred thirty-six".