855655853064 has 16 divisors (see below), whose sum is σ = 2139139632720. Its totient is φ = 285218617680.

The previous prime is 855655852969. The next prime is 855655853089. The reversal of 855655853064 is 460358556558.

It is a junction number, because it is equal to n+sod(n) for n = 855655852989 and 855655853007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17826163582 + ... + 17826163629.

It is an arithmetic number, because the mean of its divisors is an integer number (133696227045).

Almost surely, 2^855655853064 is an apocalyptic number.

It is an amenable number.

855655853064 is an abundant number, since it is smaller than the sum of its proper divisors (1283483779656).

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

855655853064 is a wasteful number, since it uses less digits than its factorization.

855655853064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35652327220 (or 35652327216 counting only the distinct ones).

The product of its (nonzero) digits is 86400000, while the sum is 60.

The spelling of 855655853064 in words is "eight hundred fifty-five billion, six hundred fifty-five million, eight hundred fifty-three thousand, sixty-four".