6870136860 has 36 divisors (see below), whose sum is σ = 20839415688. Its totient is φ = 1832036448.

The previous prime is 6870136837. The next prime is 6870136879. The reversal of 6870136860 is 686310786.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19083534 + ... + 19083893.

It is an arithmetic number, because the mean of its divisors is an integer number (578872658).

Almost surely, 2^6870136860 is an apocalyptic number.

6870136860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6870136860 is an abundant number, since it is smaller than the sum of its proper divisors (13969278828).

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

6870136860 is a wasteful number, since it uses less digits than its factorization.

6870136860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38167442 (or 38167437 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 6870136860 is about 82886.2887334208. The cubic root of 6870136860 is about 1901.0277781943.

The spelling of 6870136860 in words is "six billion, eight hundred seventy million, one hundred thirty-six thousand, eight hundred sixty".