88836260190781 has 2 divisors, whose sum is σ = 88836260190782. Its totient is φ = 88836260190780.

The previous prime is 88836260190757. The next prime is 88836260190827. The reversal of 88836260190781 is 18709106263888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73083537329881 + 15752722860900 = 8548891^2 + 3968970^2 .

It is a cyclic number.

It is not a de Polignac number, because 88836260190781 - 2¹⁷ = 88836260059709 is a prime.

It is a super-2 number, since 2×88836260190781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88836260190481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44418130095390 + 44418130095391.

It is an arithmetic number, because the mean of its divisors is an integer number (44418130095391).

Almost surely, 2^{88836260190781} is an apocalyptic number.

It is an amenable number.

88836260190781 is a deficient number, since it is larger than the sum of its proper divisors (1).

88836260190781 is an equidigital number, since it uses as much as digits as its factorization.

88836260190781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55738368, while the sum is 67.

The spelling of 88836260190781 in words is "eighty-eight trillion, eight hundred thirty-six billion, two hundred sixty million, one hundred ninety thousand, seven hundred eighty-one".