76863141808 has 20 divisors (see below), whose sum is σ = 148942454920. Its totient is φ = 38426379264.

The previous prime is 76863141791. The next prime is 76863141809. The reversal of 76863141808 is 80814136867.

It is not an unprimeable number, because it can be changed into a prime (76863141809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200910 + ... + 440557.

It is an arithmetic number, because the mean of its divisors is an integer number (7447122746).

Almost surely, 2^76863141808 is an apocalyptic number.

It is an amenable number.

76863141808 is a deficient number, since it is larger than the sum of its proper divisors (72079313112).

76863141808 is a wasteful number, since it uses less digits than its factorization.

76863141808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648964 (or 648958 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 76863141808 in words is "seventy-six billion, eight hundred sixty-three million, one hundred forty-one thousand, eight hundred eight".