76827199806 has 24 divisors (see below), whose sum is σ = 190238780784. Its totient is φ = 21950628480.

The previous prime is 76827199723. The next prime is 76827199817. The reversal of 76827199806 is 60899172867.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304869715 + ... + 304869966.

It is an arithmetic number, because the mean of its divisors is an integer number (7926615866).

Almost surely, 2^76827199806 is an apocalyptic number.

76827199806 is an abundant number, since it is smaller than the sum of its proper divisors (113411580978).

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

76827199806 is a wasteful number, since it uses less digits than its factorization.

76827199806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609739696 (or 609739693 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 76827199806 in words is "seventy-six billion, eight hundred twenty-seven million, one hundred ninety-nine thousand, eight hundred six".