2678477413 has 4 divisors (see below), whose sum is σ = 2678643360. Its totient is φ = 2678311468.

The previous prime is 2678477401. The next prime is 2678477423. The reversal of 2678477413 is 3147748762.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3147748762 = 2 ⋅1573874381.

It is a cyclic number.

It is not a de Polignac number, because 2678477413 - 2⁹ = 2678476901 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678477423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55795 + ... + 92032.

It is an arithmetic number, because the mean of its divisors is an integer number (669660840).

Almost surely, 2^2678477413 is an apocalyptic number.

It is an amenable number.

2678477413 is a deficient number, since it is larger than the sum of its proper divisors (165947).

2678477413 is a wasteful number, since it uses less digits than its factorization.

2678477413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165946.

The product of its digits is 1580544, while the sum is 49.

The square root of 2678477413 is about 51754.0086659961. The cubic root of 2678477413 is about 1388.7668121627.

The spelling of 2678477413 in words is "two billion, six hundred seventy-eight million, four hundred seventy-seven thousand, four hundred thirteen".