76828812 has 12 divisors (see below), whose sum is σ = 179267256. Its totient is φ = 25609600.

The previous prime is 76828811. The next prime is 76828823. The reversal of 76828812 is 21882867.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (76828811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201189 + ... + 3201212.

It is an arithmetic number, because the mean of its divisors is an integer number (14938938).

Almost surely, 2^76828812 is an apocalyptic number.

It is an amenable number.

76828812 is an abundant number, since it is smaller than the sum of its proper divisors (102438444).

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

76828812 is a wasteful number, since it uses less digits than its factorization.

76828812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402408 (or 6402406 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 76828812 is about 8765.2046182619. The cubic root of 76828812 is about 425.1165760945.

It can be divided in two parts, 768 and 28812, that multiplied together give a square (22127616 = 4704²).

The spelling of 76828812 in words is "seventy-six million, eight hundred twenty-eight thousand, eight hundred twelve".