76886406 has 12 divisors (see below), whose sum is σ = 166587252. Its totient is φ = 25628796.

The previous prime is 76886399. The next prime is 76886441. The reversal of 76886406 is 60468867.

It is a happy number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 2135716 + ... + 2135751.

It is an arithmetic number, because the mean of its divisors is an integer number (13882271).

Almost surely, 2^76886406 is an apocalyptic number.

76886406 is an abundant number, since it is smaller than the sum of its proper divisors (89700846).

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

76886406 is a wasteful number, since it uses less digits than its factorization.

76886406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271475 (or 4271472 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 76886406 is about 8768.4893795910. The cubic root of 76886406 is about 425.2227777823. Note that the first 3 decimals are identical.

The spelling of 76886406 in words is "seventy-six million, eight hundred eighty-six thousand, four hundred six".