76828890 has 32 divisors (see below), whose sum is σ = 187416576. Its totient is φ = 20151360.

The previous prime is 76828849. The next prime is 76828891. The reversal of 76828890 is 9882867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (76828891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19162 + ... + 22821.

It is an arithmetic number, because the mean of its divisors is an integer number (5856768).

Almost surely, 2^76828890 is an apocalyptic number.

76828890 is an abundant number, since it is smaller than the sum of its proper divisors (110587686).

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

76828890 is a wasteful number, since it uses less digits than its factorization.

76828890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 76828890 is about 8765.2090676720. The cubic root of 76828890 is about 425.1167199601.

The spelling of 76828890 in words is "seventy-six million, eight hundred twenty-eight thousand, eight hundred ninety".