6771371478 has 32 divisors (see below), whose sum is σ = 14243392512. Its totient is φ = 2143096800.

The previous prime is 6771371471. The next prime is 6771371483. The reversal of 6771371478 is 8741731776.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6771371478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771371471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333588 + ... + 353303.

It is an arithmetic number, because the mean of its divisors is an integer number (445106016).

Almost surely, 2^6771371478 is an apocalyptic number.

6771371478 is an abundant number, since it is smaller than the sum of its proper divisors (7472021034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6771371478 is a wasteful number, since it uses less digits than its factorization.

6771371478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686980.

The product of its digits is 1382976, while the sum is 51.

The square root of 6771371478 is about 82288.3435123104. The cubic root of 6771371478 is about 1891.8740198259.

The spelling of 6771371478 in words is "six billion, seven hundred seventy-one million, three hundred seventy-one thousand, four hundred seventy-eight".