7868834740 has 96 divisors (see below), whose sum is σ = 18183989376. Its totient is φ = 2842344960.

The previous prime is 7868834723. The next prime is 7868834747. The reversal of 7868834740 is 474388687.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868834747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6765399 + ... + 6766561.

It is an arithmetic number, because the mean of its divisors is an integer number (189416556).

Almost surely, 2^7868834740 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 7868834740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9091994688).

7868834740 is an abundant number, since it is smaller than the sum of its proper divisors (10315154636).

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

7868834740 is a wasteful number, since it uses less digits than its factorization.

7868834740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The square root of 7868834740 is about 88706.4526401547. The cubic root of 7868834740 is about 1989.0092742771.

The spelling of 7868834740 in words is "seven billion, eight hundred sixty-eight million, eight hundred thirty-four thousand, seven hundred forty".