854771776940 has 48 divisors (see below), whose sum is σ = 1954650549600. Its totient is φ = 312744079872.

The previous prime is 854771776919. The next prime is 854771776973. The reversal of 854771776940 is 49677177458.

854771776940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 38771729 + ... + 38793768.

It is an arithmetic number, because the mean of its divisors is an integer number (40721886450).

Almost surely, 2^854771776940 is an apocalyptic number.

It is an amenable number.

854771776940 is an abundant number, since it is smaller than the sum of its proper divisors (1099878772660).

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

854771776940 is a wasteful number, since it uses less digits than its factorization.

854771776940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77565554 (or 77565552 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 65.

The spelling of 854771776940 in words is "eight hundred fifty-four billion, seven hundred seventy-one million, seven hundred seventy-six thousand, nine hundred forty".