88991382541 has 2 divisors, whose sum is σ = 88991382542. Its totient is φ = 88991382540.

The previous prime is 88991382521. The next prime is 88991382583. The reversal of 88991382541 is 14528319988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53363310025 + 35628072516 = 231005^2 + 188754^2 .

It is a cyclic number.

It is not a de Polignac number, because 88991382541 - 2¹¹ = 88991380493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88991382511) 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, 44495691270 + 44495691271.

It is an arithmetic number, because the mean of its divisors is an integer number (44495691271).

Almost surely, 2^88991382541 is an apocalyptic number.

It is an amenable number.

88991382541 is a deficient number, since it is larger than the sum of its proper divisors (1).

88991382541 is an equidigital number, since it uses as much as digits as its factorization.

88991382541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 58.

The spelling of 88991382541 in words is "eighty-eight billion, nine hundred ninety-one million, three hundred eighty-two thousand, five hundred forty-one".