855527765670 has 96 divisors (see below), whose sum is σ = 2281066220160. Its totient is φ = 222337889280.

The previous prime is 855527765669. The next prime is 855527765707. The reversal of 855527765670 is 76567725558.

855527765670 is a `hidden beast` number, since 8 + 5 + 552 + 7 + 7 + 6 + 5 + 6 + 70 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 855527765598 and 855527765607.

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, 3333811 + ... + 3581249.

It is an arithmetic number, because the mean of its divisors is an integer number (23761106460).

Almost surely, 2^855527765670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855527765670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140533110080).

855527765670 is an abundant number, since it is smaller than the sum of its proper divisors (1425538454490).

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

855527765670 is a wasteful number, since it uses less digits than its factorization.

855527765670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248430 (or 248427 counting only the distinct ones).

The product of its (nonzero) digits is 123480000, while the sum is 63.

The spelling of 855527765670 in words is "eight hundred fifty-five billion, five hundred twenty-seven million, seven hundred sixty-five thousand, six hundred seventy".