6855805793860 has 96 divisors (see below), whose sum is σ = 15581524331520. Its totient is φ = 2528218291200.

The previous prime is 6855805793807. The next prime is 6855805793911. The reversal of 6855805793860 is 683975085586.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6855805793860.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1949376 + ... + 4184695.

It is an arithmetic number, because the mean of its divisors is an integer number (162307545120).

Almost surely, 2^{6855805793860} is an apocalyptic number.

It is an amenable number.

6855805793860 is an abundant number, since it is smaller than the sum of its proper divisors (8725718537660).

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

6855805793860 is a wasteful number, since it uses less digits than its factorization.

6855805793860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134197 (or 6134195 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 70.

The spelling of 6855805793860 in words is "six trillion, eight hundred fifty-five billion, eight hundred five million, seven hundred ninety-three thousand, eight hundred sixty".