828236218752 has 48 divisors (see below), whose sum is σ = 2383335997380. Its totient is φ = 276078739200.

The previous prime is 828236218723. The next prime is 828236218757. The reversal of 828236218752 is 257812632828.

828236218752 is a `hidden beast` number, since 8 + 2 + 8 + 2 + 3 + 621 + 8 + 7 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×828236218752² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828236218757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359476374 + ... + 359478677.

Almost surely, 2^828236218752 is an apocalyptic number.

It is an amenable number.

828236218752 is an abundant number, since it is smaller than the sum of its proper divisors (1555099778628).

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

828236218752 is a wasteful number, since it uses less digits than its factorization.

828236218752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718955071 (or 718955056 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 828236218752 in words is "eight hundred twenty-eight billion, two hundred thirty-six million, two hundred eighteen thousand, seven hundred fifty-two".