5170776391944 has 24 divisors (see below), whose sum is σ = 14004186061710. Its totient is φ = 1723592130624.

The previous prime is 5170776391943. The next prime is 5170776391951. The reversal of 5170776391944 is 4491936770715.

5170776391944 is a `hidden beast` number, since 5 + 170 + 7 + 76 + 391 + 9 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4732582702500 + 438193689444 = 2175450^2 + 661962^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5170776391943) 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 5 ways as a sum of consecutive naturals, for example, 35908169317 + ... + 35908169460.

Almost surely, 2^{5170776391944} is an apocalyptic number.

It is an amenable number.

5170776391944 is an abundant number, since it is smaller than the sum of its proper divisors (8833409669766).

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

5170776391944 is a wasteful number, since it uses less digits than its factorization.

5170776391944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71816338789 (or 71816338782 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 5170776391944 in words is "five trillion, one hundred seventy billion, seven hundred seventy-six million, three hundred ninety-one thousand, nine hundred forty-four".