6887506740 has 48 divisors (see below), whose sum is σ = 19320366912. Its totient is φ = 1833302016.

The previous prime is 6887506687. The next prime is 6887506741. The reversal of 6887506740 is 476057886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887506741) 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, 72109 + ... + 137748.

It is an arithmetic number, because the mean of its divisors is an integer number (402507644).

Almost surely, 2^6887506740 is an apocalyptic number.

6887506740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6887506740 is an abundant number, since it is smaller than the sum of its proper divisors (12432860172).

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

6887506740 is a wasteful number, since it uses less digits than its factorization.

6887506740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210416 (or 210414 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 6887506740 is about 82991.0039703099. The cubic root of 6887506740 is about 1902.6285631189.

The spelling of 6887506740 in words is "six billion, eight hundred eighty-seven million, five hundred six thousand, seven hundred forty".