6855988470 has 32 divisors (see below), whose sum is σ = 16507991808. Its totient is φ = 1822305888.

The previous prime is 6855988459. The next prime is 6855988483. The reversal of 6855988470 is 748895586.

It is a congruent number.

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, 362994 + ... + 381413.

It is an arithmetic number, because the mean of its divisors is an integer number (515874744).

Almost surely, 2^6855988470 is an apocalyptic number.

6855988470 is an abundant number, since it is smaller than the sum of its proper divisors (9652003338).

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

6855988470 is a wasteful number, since it uses less digits than its factorization.

6855988470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744724.

The product of its (nonzero) digits is 19353600, while the sum is 60.

The square root of 6855988470 is about 82800.8965531171. The cubic root of 6855988470 is about 1899.7218863474.

The spelling of 6855988470 in words is "six billion, eight hundred fifty-five million, nine hundred eighty-eight thousand, four hundred seventy".