85610527976820 has 144 divisors (see below), whose sum is σ = 304195330692288. Its totient is φ = 17789200611840.

The previous prime is 85610527976807. The next prime is 85610527976843. The reversal of 85610527976820 is 2867972501658.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1323568897 + ... + 1323633576.

It is an arithmetic number, because the mean of its divisors is an integer number (2112467574252).

Almost surely, 2^{85610527976820} is an apocalyptic number.

It is an amenable number.

85610527976820 is an abundant number, since it is smaller than the sum of its proper divisors (218584802715468).

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

85610527976820 is a wasteful number, since it uses less digits than its factorization.

85610527976820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647202510 (or 2647202501 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 85610527976820 in words is "eighty-five trillion, six hundred ten billion, five hundred twenty-seven million, nine hundred seventy-six thousand, eight hundred twenty".