6877432656 has 80 divisors (see below), whose sum is σ = 19984593920. Its totient is φ = 2292465888.

The previous prime is 6877432631. The next prime is 6877432657. The reversal of 6877432656 is 6562347786.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6877432657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63280 + ... + 133263.

It is an arithmetic number, because the mean of its divisors is an integer number (249807424).

Almost surely, 2^6877432656 is an apocalyptic number.

It is an amenable number.

6877432656 is an abundant number, since it is smaller than the sum of its proper divisors (13107161264).

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

6877432656 is an equidigital number, since it uses as much as digits as its factorization.

6877432656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196572 (or 196548 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 6877432656 is about 82930.2879290793. The cubic root of 6877432656 is about 1901.7004772698.

The spelling of 6877432656 in words is "six billion, eight hundred seventy-seven million, four hundred thirty-two thousand, six hundred fifty-six".