85838776875656 has 32 divisors (see below), whose sum is σ = 186156383595840. Its totient is φ = 36344817745728.

The previous prime is 85838776875653. The next prime is 85838776875661. The reversal of 85838776875656 is 65657867783858.

It is a Smith number, since the sum of its digits (89) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85838776875653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9233942951 + ... + 9233952246.

It is an arithmetic number, because the mean of its divisors is an integer number (5817386987370).

Almost surely, 2^{85838776875656} is an apocalyptic number.

It is an amenable number.

85838776875656 is an abundant number, since it is smaller than the sum of its proper divisors (100317606720184).

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

85838776875656 is a wasteful number, since it uses less digits than its factorization.

85838776875656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467895293 (or 18467895289 counting only the distinct ones).

The product of its digits is 113799168000, while the sum is 89.

The spelling of 85838776875656 in words is "eighty-five trillion, eight hundred thirty-eight billion, seven hundred seventy-six million, eight hundred seventy-five thousand, six hundred fifty-six".