6773556887 has 4 divisors (see below), whose sum is σ = 6773930256. Its totient is φ = 6773183520.

The previous prime is 6773556869. The next prime is 6773556899. The reversal of 6773556887 is 7886553776.

6773556887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6773556887 - 2²⁴ = 6756779671 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 (6773559887) 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, 158003 + ... + 196244.

It is an arithmetic number, because the mean of its divisors is an integer number (1693482564).

Almost surely, 2^6773556887 is an apocalyptic number.

6773556887 is a deficient number, since it is larger than the sum of its proper divisors (373369).

6773556887 is a wasteful number, since it uses less digits than its factorization.

6773556887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373368.

The product of its digits is 59270400, while the sum is 62.

The square root of 6773556887 is about 82301.6214117316. The cubic root of 6773556887 is about 1892.0775272841.

The spelling of 6773556887 in words is "six billion, seven hundred seventy-three million, five hundred fifty-six thousand, eight hundred eighty-seven".