3428647877 has 4 divisors (see below), whose sum is σ = 3429212160. Its totient is φ = 3428083596.

The previous prime is 3428647853. The next prime is 3428647879. The reversal of 3428647877 is 7787468243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3428647877 - 2⁶ = 3428647813 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 (3428647879) 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, 272927 + ... + 285212.

It is an arithmetic number, because the mean of its divisors is an integer number (857303040).

Almost surely, 2^3428647877 is an apocalyptic number.

It is an amenable number.

3428647877 is a deficient number, since it is larger than the sum of its proper divisors (564283).

3428647877 is an equidigital number, since it uses as much as digits as its factorization.

3428647877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564282.

The product of its digits is 12644352, while the sum is 56.

The square root of 3428647877 is about 58554.6571760095. The cubic root of 3428647877 is about 1507.9060895828.

The spelling of 3428647877 in words is "three billion, four hundred twenty-eight million, six hundred forty-seven thousand, eight hundred seventy-seven".