8484031903978 has 16 divisors (see below), whose sum is σ = 13476772323144. Its totient is φ = 3991853478400.

The previous prime is 8484031903967. The next prime is 8484031904003. The reversal of 8484031903978 is 8793091304848.

It can be written as a sum of positive squares in 4 ways, for example, as 8347979368369 + 136052535609 = 2889287^2 + 368853^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19535923 + ... + 19965478.

Almost surely, 2^{8484031903978} is an apocalyptic number.

8484031903978 is a deficient number, since it is larger than the sum of its proper divisors (4992740419166).

8484031903978 is a wasteful number, since it uses less digits than its factorization.

8484031903978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39507737.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 8484031903978 in words is "eight trillion, four hundred eighty-four billion, thirty-one million, nine hundred three thousand, nine hundred seventy-eight".