88682021 has 2 divisors, whose sum is σ = 88682022. Its totient is φ = 88682020.

The previous prime is 88681993. The next prime is 88682051. The reversal of 88682021 is 12028688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 21031396 = 8225^2 + 4586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88682021 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 (88682051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44341010 + 44341011.

It is an arithmetic number, because the mean of its divisors is an integer number (44341011).

Almost surely, 2^88682021 is an apocalyptic number.

It is an amenable number.

88682021 is a deficient number, since it is larger than the sum of its proper divisors (1).

88682021 is an equidigital number, since it uses as much as digits as its factorization.

88682021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 88682021 is about 9417.1131988524. The cubic root of 88682021 is about 445.9421540131.

The spelling of 88682021 in words is "eighty-eight million, six hundred eighty-two thousand, twenty-one".