76688589406 has 64 divisors (see below), whose sum is σ = 137226753216. Its totient is φ = 31682534400.

The previous prime is 76688589389. The next prime is 76688589407. The reversal of 76688589406 is 60498588667.

It is a super-2 number, since 2×76688589406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76688589407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13797580 + ... + 13803136.

It is an arithmetic number, because the mean of its divisors is an integer number (2144168019).

Almost surely, 2^76688589406 is an apocalyptic number.

76688589406 is a deficient number, since it is larger than the sum of its proper divisors (60538163810).

76688589406 is a wasteful number, since it uses less digits than its factorization.

76688589406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317.

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 76688589406 in words is "seventy-six billion, six hundred eighty-eight million, five hundred eighty-nine thousand, four hundred six".