7658634828 has 48 divisors (see below), whose sum is σ = 19385301600. Its totient is φ = 2339295744.

The previous prime is 7658634821. The next prime is 7658634833. The reversal of 7658634828 is 8284368567.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7658634821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157803 + ... + 200546.

It is an arithmetic number, because the mean of its divisors is an integer number (403860450).

Almost surely, 2^7658634828 is an apocalyptic number.

7658634828 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7658634828 is an abundant number, since it is smaller than the sum of its proper divisors (11726666772).

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

7658634828 is a wasteful number, since it uses less digits than its factorization.

7658634828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358506 (or 358504 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The square root of 7658634828 is about 87513.6265275300. The cubic root of 7658634828 is about 1971.1384101022.

The spelling of 7658634828 in words is "seven billion, six hundred fifty-eight million, six hundred thirty-four thousand, eight hundred twenty-eight".