2777056423646 has 8 divisors (see below), whose sum is σ = 4227757540680. Its totient is φ = 1367803910088.

The previous prime is 2777056423643. The next prime is 2777056423679. The reversal of 2777056423646 is 6463246507772.

It is a happy number.

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

It is a super-2 number, since 2×2777056423646² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777056423643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10362150701 + ... + 10362150968.

It is an arithmetic number, because the mean of its divisors is an integer number (528469692585).

Almost surely, 2^{2777056423646} is an apocalyptic number.

2777056423646 is a deficient number, since it is larger than the sum of its proper divisors (1450701117034).

2777056423646 is a wasteful number, since it uses less digits than its factorization.

2777056423646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20724301738.

The product of its (nonzero) digits is 71124480, while the sum is 59.

The spelling of 2777056423646 in words is "two trillion, seven hundred seventy-seven billion, fifty-six million, four hundred twenty-three thousand, six hundred forty-six".