6887076572771 has 4 divisors (see below), whose sum is σ = 6894426708792. Its totient is φ = 6879726436752.

The previous prime is 6887076572759. The next prime is 6887076572801. The reversal of 6887076572771 is 1772756707886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6887076572771 - 2³⁴ = 6869896703587 is a prime.

It is a super-2 number, since 2×6887076572771² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6887076572695 and 6887076572704.

It is not an unprimeable number, because it can be changed into a prime (6887076572171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675066605 + ... + 3675068478.

It is an arithmetic number, because the mean of its divisors is an integer number (1723606677198).

Almost surely, 2^{6887076572771} is an apocalyptic number.

6887076572771 is a deficient number, since it is larger than the sum of its proper divisors (7350136021).

6887076572771 is an equidigital number, since it uses as much as digits as its factorization.

6887076572771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350136020.

The product of its (nonzero) digits is 387233280, while the sum is 71.

The spelling of 6887076572771 in words is "six trillion, eight hundred eighty-seven billion, seventy-six million, five hundred seventy-two thousand, seven hundred seventy-one".