1007784972445 has 8 divisors (see below), whose sum is σ = 1209347375544. Its totient is φ = 806224372224.

The previous prime is 1007784972427. The next prime is 1007784972487. The reversal of 1007784972445 is 5442794877001.

It can be written as a sum of positive squares in 4 ways, for example, as 10227479161 + 997557493284 = 101131^2 + 998778^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1007784972445 - 2²³ = 1007776583837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1007784972445.

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 in 7 ways as a sum of consecutive naturals, for example, 1808997 + ... + 2299573.

It is an arithmetic number, because the mean of its divisors is an integer number (151168421943).

Almost surely, 2^{1007784972445} is an apocalyptic number.

It is an amenable number.

1007784972445 is a deficient number, since it is larger than the sum of its proper divisors (201562403099).

1007784972445 is an equidigital number, since it uses as much as digits as its factorization.

1007784972445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901439.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 1007784972445 in words is "one trillion, seven billion, seven hundred eighty-four million, nine hundred seventy-two thousand, four hundred forty-five".