6477788 has 12 divisors (see below), whose sum is σ = 11727240. Its totient is φ = 3127152.

The previous prime is 6477781. The next prime is 6477811. The reversal of 6477788 is 8877746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477781) 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, 27806 + ... + 28037.

It is an arithmetic number, because the mean of its divisors is an integer number (977270).

Almost surely, 2^6477788 is an apocalyptic number.

It is an amenable number.

6477788 is a deficient number, since it is larger than the sum of its proper divisors (5249452).

6477788 is a wasteful number, since it uses less digits than its factorization.

6477788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55876 (or 55874 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The square root of 6477788 is about 2545.1498973538. The cubic root of 6477788 is about 186.4127343680.

It can be divided in two parts, 64777 and 88, that multiplied together give a triangular number (5700376 = T₃₃₇₆).

The spelling of 6477788 in words is "six million, four hundred seventy-seven thousand, seven hundred eighty-eight".