85840572510650 has 24 divisors (see below), whose sum is σ = 164813899223424. Its totient is φ = 33228608713200.

The previous prime is 85840572510593. The next prime is 85840572510691. The reversal of 85840572510650 is 5601527504858.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27690505712 + ... + 27690508811.

It is an arithmetic number, because the mean of its divisors is an integer number (6867245800976).

Almost surely, 2^{85840572510650} is an apocalyptic number.

85840572510650 is a deficient number, since it is larger than the sum of its proper divisors (78973326712774).

85840572510650 is a wasteful number, since it uses less digits than its factorization.

85840572510650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55381014566 (or 55381014561 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 56.

The spelling of 85840572510650 in words is "eighty-five trillion, eight hundred forty billion, five hundred seventy-two million, five hundred ten thousand, six hundred fifty".