828770491884 has 24 divisors (see below), whose sum is σ = 1934490761728. Its totient is φ = 276157838160.

The previous prime is 828770491883. The next prime is 828770491909. The reversal of 828770491884 is 488194077828.

828770491884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (828770491883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12339172 + ... + 12406155.

Almost surely, 2^828770491884 is an apocalyptic number.

It is an amenable number.

828770491884 is an abundant number, since it is smaller than the sum of its proper divisors (1105720269844).

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

828770491884 is a wasteful number, since it uses less digits than its factorization.

828770491884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748125 (or 24748123 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 66.

The spelling of 828770491884 in words is "eight hundred twenty-eight billion, seven hundred seventy million, four hundred ninety-one thousand, eight hundred eighty-four".