90883878941 has 2 divisors, whose sum is σ = 90883878942. Its totient is φ = 90883878940.

The previous prime is 90883878907. The next prime is 90883878973. The reversal of 90883878941 is 14987838809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62527002916 + 28356876025 = 250054^2 + 168395^2 .

It is a cyclic number.

It is not a de Polignac number, because 90883878941 - 2¹⁸ = 90883616797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90883878901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45441939470 + 45441939471.

It is an arithmetic number, because the mean of its divisors is an integer number (45441939471).

Almost surely, 2^90883878941 is an apocalyptic number.

It is an amenable number.

90883878941 is a deficient number, since it is larger than the sum of its proper divisors (1).

90883878941 is an equidigital number, since it uses as much as digits as its factorization.

90883878941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 90883878941 in words is "ninety billion, eight hundred eighty-three million, eight hundred seventy-eight thousand, nine hundred forty-one".