88880681 has 2 divisors, whose sum is σ = 88880682. Its totient is φ = 88880680.

The previous prime is 88880677. The next prime is 88880723. The reversal of 88880681 is 18608888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88266025 + 614656 = 9395^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 88880681 - 2² = 88880677 is a prime.

It is a super-2 number, since 2×88880681² = 15799550910047522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88880881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44440340 + 44440341.

It is an arithmetic number, because the mean of its divisors is an integer number (44440341).

Almost surely, 2^88880681 is an apocalyptic number.

It is an amenable number.

88880681 is a deficient number, since it is larger than the sum of its proper divisors (1).

88880681 is an equidigital number, since it uses as much as digits as its factorization.

88880681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196608, while the sum is 47.

The square root of 88880681 is about 9427.6551167297. The cubic root of 88880681 is about 446.2748963871.

The spelling of 88880681 in words is "eighty-eight million, eight hundred eighty thousand, six hundred eighty-one".