6862388856 has 64 divisors (see below), whose sum is σ = 17303932800. Its totient is φ = 2267783808.

The previous prime is 6862388837. The next prime is 6862388857. The reversal of 6862388856 is 6588832686.

It is a self number, because there is not a number n which added to its sum of digits gives 6862388856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862388857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3958966 + ... + 3960698.

It is an arithmetic number, because the mean of its divisors is an integer number (270373950).

Almost surely, 2^6862388856 is an apocalyptic number.

It is an amenable number.

6862388856 is an abundant number, since it is smaller than the sum of its proper divisors (10441543944).

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

6862388856 is a wasteful number, since it uses less digits than its factorization.

6862388856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3064 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The square root of 6862388856 is about 82839.5367925244. The cubic root of 6862388856 is about 1900.3128622380.

The spelling of 6862388856 in words is "six billion, eight hundred sixty-two million, three hundred eighty-eight thousand, eight hundred fifty-six".