76899138 has 8 divisors (see below), whose sum is σ = 153798288. Its totient is φ = 25633044.

The previous prime is 76899103. The next prime is 76899167. The reversal of 76899138 is 83199867.

It is a sphenic number, since it is the product of 3 distinct primes.

76899138 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6408256 + ... + 6408267.

It is an arithmetic number, because the mean of its divisors is an integer number (19224786).

Almost surely, 2^76899138 is an apocalyptic number.

76899138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76899138 is a wasteful number, since it uses less digits than its factorization.

76899138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816528.

The product of its digits is 653184, while the sum is 51.

The square root of 76899138 is about 8769.2153582861. The cubic root of 76899138 is about 425.2462480673.

The spelling of 76899138 in words is "seventy-six million, eight hundred ninety-nine thousand, one hundred thirty-eight".