88667610063521 has 2 divisors, whose sum is σ = 88667610063522. Its totient is φ = 88667610063520.

The previous prime is 88667610063479. The next prime is 88667610063569. The reversal of 88667610063521 is 12536001676688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58963355137600 + 29704254925921 = 7678760^2 + 5450161^2 .

It is a cyclic number.

It is not a de Polignac number, because 88667610063521 - 2⁶ = 88667610063457 is a prime.

It is a super-2 number, since 2×88667610063521² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88667610063121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44333805031760 + 44333805031761.

It is an arithmetic number, because the mean of its divisors is an integer number (44333805031761).

Almost surely, 2^{88667610063521} is an apocalyptic number.

It is an amenable number.

88667610063521 is a deficient number, since it is larger than the sum of its proper divisors (1).

88667610063521 is an equidigital number, since it uses as much as digits as its factorization.

88667610063521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 88667610063521 in words is "eighty-eight trillion, six hundred sixty-seven billion, six hundred ten million, sixty-three thousand, five hundred twenty-one".