6747438477 has 8 divisors (see below), whose sum is σ = 9688629664. Its totient is φ = 4152269808.

The previous prime is 6747438457. The next prime is 6747438541. The reversal of 6747438477 is 7748347476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6747438477 - 2⁶ = 6747438413 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 (6747438457) 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, 86505583 + ... + 86505660.

It is an arithmetic number, because the mean of its divisors is an integer number (1211078708).

Almost surely, 2^6747438477 is an apocalyptic number.

It is an amenable number.

6747438477 is a deficient number, since it is larger than the sum of its proper divisors (2941191187).

6747438477 is a wasteful number, since it uses less digits than its factorization.

6747438477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173011259.

The product of its digits is 22127616, while the sum is 57.

The square root of 6747438477 is about 82142.7932140124. The cubic root of 6747438477 is about 1889.6424840962.

The spelling of 6747438477 in words is "six billion, seven hundred forty-seven million, four hundred thirty-eight thousand, four hundred seventy-seven".