1009772452387 has 2 divisors, whose sum is σ = 1009772452388. Its totient is φ = 1009772452386.

The previous prime is 1009772452327. The next prime is 1009772452391. The reversal of 1009772452387 is 7832542779001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009772452387 - 2²⁷ = 1009638234659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009772452327) by changing a digit.

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, 504886226193 + 504886226194.

It is an arithmetic number, because the mean of its divisors is an integer number (504886226194).

Almost surely, 2^{1009772452387} is an apocalyptic number.

1009772452387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009772452387 is an equidigital number, since it uses as much as digits as its factorization.

1009772452387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 1009772452387 in words is "one trillion, nine billion, seven hundred seventy-two million, four hundred fifty-two thousand, three hundred eighty-seven".