85807681332078 has 8 divisors (see below), whose sum is σ = 171615362664168. Its totient is φ = 28602560444024.

The previous prime is 85807681332067. The next prime is 85807681332151. The reversal of 85807681332078 is 87023318670858.

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

85807681332078 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7150640111001 + ... + 7150640111012.

It is an arithmetic number, because the mean of its divisors is an integer number (21451920333021).

Almost surely, 2^{85807681332078} is an apocalyptic number.

85807681332078 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.

85807681332078 is a wasteful number, since it uses less digits than its factorization.

85807681332078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301280222018.

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 85807681332078 in words is "eighty-five trillion, eight hundred seven billion, six hundred eighty-one million, three hundred thirty-two thousand, seventy-eight".