3872784973 has 2 divisors, whose sum is σ = 3872784974. Its totient is φ = 3872784972.

The previous prime is 3872784917. The next prime is 3872784989. The reversal of 3872784973 is 3794872783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2343818569 + 1528966404 = 48413^2 + 39102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3872784973 is a prime.

It is a super-2 number, since 2×3872784973² = 29996926894189221458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872704973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936392486 + 1936392487.

It is an arithmetic number, because the mean of its divisors is an integer number (1936392487).

Almost surely, 2^3872784973 is an apocalyptic number.

It is an amenable number.

3872784973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872784973 is an equidigital number, since it uses as much as digits as its factorization.

3872784973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 58.

The square root of 3872784973 is about 62231.7039217150. The cubic root of 3872784973 is about 1570.3909898857.

The spelling of 3872784973 in words is "three billion, eight hundred seventy-two million, seven hundred eighty-four thousand, nine hundred seventy-three".