6890868936 has 160 divisors (see below), whose sum is σ = 22112101440. Its totient is φ = 1963999872.

The previous prime is 6890868917. The next prime is 6890868953. The reversal of 6890868936 is 6398680986.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2116686 + ... + 2119938.

It is an arithmetic number, because the mean of its divisors is an integer number (138200634).

Almost surely, 2^6890868936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6890868936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11056050720).

6890868936 is an abundant number, since it is smaller than the sum of its proper divisors (15221232504).

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

6890868936 is a wasteful number, since it uses less digits than its factorization.

6890868936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The square root of 6890868936 is about 83011.2578871083. The cubic root of 6890868936 is about 1902.9381076197.

It can be divided in two parts, 6890 and 868936, that added together give a triangular number (875826 = T₁₃₂₃).

The spelling of 6890868936 in words is "six billion, eight hundred ninety million, eight hundred sixty-eight thousand, nine hundred thirty-six".