6172277778382 has 8 divisors (see below), whose sum is σ = 9745701755400. Its totient is φ = 2923710526584.

The previous prime is 6172277778379. The next prime is 6172277778383. The reversal of 6172277778382 is 2838777722716.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172277778383) 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, 81214181257 + ... + 81214181332.

It is an arithmetic number, because the mean of its divisors is an integer number (1218212719425).

Almost surely, 2^{6172277778382} is an apocalyptic number.

6172277778382 is a deficient number, since it is larger than the sum of its proper divisors (3573423977018).

6172277778382 is a wasteful number, since it uses less digits than its factorization.

6172277778382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162428362610.

The product of its digits is 154893312, while the sum is 67.

The spelling of 6172277778382 in words is "six trillion, one hundred seventy-two billion, two hundred seventy-seven million, seven hundred seventy-eight thousand, three hundred eighty-two".