6721088878 has 8 divisors (see below), whose sum is σ = 11521866672. Its totient is φ = 2880466656.

The previous prime is 6721088851. The next prime is 6721088893. The reversal of 6721088878 is 8788801276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240038875 + ... + 240038902.

It is an arithmetic number, because the mean of its divisors is an integer number (1440233334).

Almost surely, 2^6721088878 is an apocalyptic number.

6721088878 is a deficient number, since it is larger than the sum of its proper divisors (4800777794).

6721088878 is a wasteful number, since it uses less digits than its factorization.

6721088878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480077786.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The square root of 6721088878 is about 81982.2473344077. The cubic root of 6721088878 is about 1887.1795110900.

The spelling of 6721088878 in words is "six billion, seven hundred twenty-one million, eighty-eight thousand, eight hundred seventy-eight".