828418788 has 18 divisors (see below), whose sum is σ = 2094058694. Its totient is φ = 276139584.

The previous prime is 828418783. The next prime is 828418793. The reversal of 828418788 is 887814828.

It is an interprime number because it is at equal distance from previous prime (828418783) and next prime (828418793).

It can be written as a sum of positive squares in only one way, i.e., 791184384 + 37234404 = 28128^2 + 6102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×828418788² = 1372555376622777888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (828418781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11505781 + ... + 11505852.

Almost surely, 2^828418788 is an apocalyptic number.

It is an amenable number.

828418788 is an abundant number, since it is smaller than the sum of its proper divisors (1265639906).

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

828418788 is a wasteful number, since it uses less digits than its factorization.

828418788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011643 (or 23011638 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 54.

The square root of 828418788 is about 28782.2651645071. The cubic root of 828418788 is about 939.1824746514.

It can be divided in two parts, 8284 and 18788, that added together give a palindrome (27072).

The spelling of 828418788 in words is "eight hundred twenty-eight million, four hundred eighteen thousand, seven hundred eighty-eight".