975784900999 has 2 divisors, whose sum is σ = 975784901000. Its totient is φ = 975784900998.

The previous prime is 975784900963. The next prime is 975784901009. The reversal of 975784900999 is 999009487579.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975784900999 - 2¹³ = 975784892807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975784900949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487892450499 + 487892450500.

It is an arithmetic number, because the mean of its divisors is an integer number (487892450500).

Almost surely, 2^975784900999 is an apocalyptic number.

975784900999 is a deficient number, since it is larger than the sum of its proper divisors (1).

975784900999 is an equidigital number, since it uses as much as digits as its factorization.

975784900999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 462944160, while the sum is 76.

The spelling of 975784900999 in words is "nine hundred seventy-five billion, seven hundred eighty-four million, nine hundred thousand, nine hundred ninety-nine".