6746556771 has 8 divisors (see below), whose sum is σ = 9994898960. Its totient is φ = 4497704496.

The previous prime is 6746556749. The next prime is 6746556779. The reversal of 6746556771 is 1776556476.

6746556771 is a `hidden beast` number, since 6 + 7 + 4 + 6 + 5 + 567 + 71 = 666.

It is not a de Polignac number, because 6746556771 - 2¹⁵ = 6746524003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6746556779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124936210 + ... + 124936263.

It is an arithmetic number, because the mean of its divisors is an integer number (1249362370).

Almost surely, 2^6746556771 is an apocalyptic number.

6746556771 is a deficient number, since it is larger than the sum of its proper divisors (3248342189).

6746556771 is a wasteful number, since it uses less digits than its factorization.

6746556771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249872482 (or 249872476 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The square root of 6746556771 is about 82137.4261284099. The cubic root of 6746556771 is about 1889.5601722826.

The spelling of 6746556771 in words is "six billion, seven hundred forty-six million, five hundred fifty-six thousand, seven hundred seventy-one".