2478367786982 has 4 divisors (see below), whose sum is σ = 3717551680476. Its totient is φ = 1239183893490.

The previous prime is 2478367786969. The next prime is 2478367787003. The reversal of 2478367786982 is 2896877638742.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2478367786982² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619591946744 + ... + 619591946747.

It is an arithmetic number, because the mean of its divisors is an integer number (929387920119).

Almost surely, 2^{2478367786982} is an apocalyptic number.

2478367786982 is a deficient number, since it is larger than the sum of its proper divisors (1239183893494).

2478367786982 is a wasteful number, since it uses less digits than its factorization.

2478367786982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239183893493.

The product of its digits is 2731180032, while the sum is 77.

The spelling of 2478367786982 in words is "two trillion, four hundred seventy-eight billion, three hundred sixty-seven million, seven hundred eighty-six thousand, nine hundred eighty-two".