88719641 has 2 divisors, whose sum is σ = 88719642. Its totient is φ = 88719640.

The previous prime is 88719637. The next prime is 88719661. The reversal of 88719641 is 14691788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 22052416 = 8165^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 88719641 - 2² = 88719637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88719592 and 88719601.

It is not a weakly prime, because it can be changed into another prime (88719611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44359820 + 44359821.

It is an arithmetic number, because the mean of its divisors is an integer number (44359821).

Almost surely, 2^88719641 is an apocalyptic number.

It is an amenable number.

88719641 is a deficient number, since it is larger than the sum of its proper divisors (1).

88719641 is an equidigital number, since it uses as much as digits as its factorization.

88719641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 44.

The square root of 88719641 is about 9419.1104144712. The cubic root of 88719641 is about 446.0052031407.

The spelling of 88719641 in words is "eighty-eight million, seven hundred nineteen thousand, six hundred forty-one".