6880712621 has 4 divisors (see below), whose sum is σ = 6900542112. Its totient is φ = 6860883132.

The previous prime is 6880712551. The next prime is 6880712633. The reversal of 6880712621 is 1262170886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6880712621 - 2²² = 6876518317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880712021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9914225 + ... + 9914918.

It is an arithmetic number, because the mean of its divisors is an integer number (1725135528).

Almost surely, 2^6880712621 is an apocalyptic number.

It is an amenable number.

6880712621 is a deficient number, since it is larger than the sum of its proper divisors (19829491).

6880712621 is a wasteful number, since it uses less digits than its factorization.

6880712621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19829490.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 6880712621 is about 82950.0610066081. The cubic root of 6880712621 is about 1902.0027470260.

The spelling of 6880712621 in words is "six billion, eight hundred eighty million, seven hundred twelve thousand, six hundred twenty-one".