85811053876420 has 48 divisors (see below), whose sum is σ = 180319294471680. Its totient is φ = 34302317213696.

The previous prime is 85811053876319. The next prime is 85811053876439. The reversal of 85811053876420 is 2467835011858.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218406669 + ... + 218799211.

It is an arithmetic number, because the mean of its divisors is an integer number (3756651968160).

Almost surely, 2^{85811053876420} is an apocalyptic number.

It is an amenable number.

85811053876420 is an abundant number, since it is smaller than the sum of its proper divisors (94508240595260).

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

85811053876420 is a wasteful number, since it uses less digits than its factorization.

85811053876420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399564 (or 399562 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 85811053876420 in words is "eighty-five trillion, eight hundred eleven billion, fifty-three million, eight hundred seventy-six thousand, four hundred twenty".