828688488 has 16 divisors (see below), whose sum is σ = 2071721280. Its totient is φ = 276229488.

The previous prime is 828688463. The next prime is 828688493. The reversal of 828688488 is 884886828.

It is a happy number.

It is a super-2 number, since 2×828688488² = 1373449220287452288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17264320 + ... + 17264367.

It is an arithmetic number, because the mean of its divisors is an integer number (129482580).

Almost surely, 2^828688488 is an apocalyptic number.

It is an amenable number.

828688488 is an abundant number, since it is smaller than the sum of its proper divisors (1243032792).

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

828688488 is a wasteful number, since it uses less digits than its factorization.

828688488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34528696 (or 34528692 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 60.

The square root of 828688488 is about 28786.9499600079. The cubic root of 828688488 is about 939.2843836674.

The spelling of 828688488 in words is "eight hundred twenty-eight million, six hundred eighty-eight thousand, four hundred eighty-eight".