88841021 has 2 divisors, whose sum is σ = 88841022. Its totient is φ = 88841020.

The previous prime is 88841003. The next prime is 88841059. The reversal of 88841021 is 12014888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 31248100 = 7589^2 + 5590^2 .

It is a cyclic number.

It is not a de Polignac number, because 88841021 - 2¹⁸ = 88578877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88841521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44420510 + 44420511.

It is an arithmetic number, because the mean of its divisors is an integer number (44420511).

Almost surely, 2^88841021 is an apocalyptic number.

It is an amenable number.

88841021 is a deficient number, since it is larger than the sum of its proper divisors (1).

88841021 is an equidigital number, since it uses as much as digits as its factorization.

88841021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 88841021 is about 9425.5514958012. The cubic root of 88841021 is about 446.2085081484.

The spelling of 88841021 in words is "eighty-eight million, eight hundred forty-one thousand, twenty-one".