88062721 has 2 divisors, whose sum is σ = 88062722. Its totient is φ = 88062720.

The previous prime is 88062719. The next prime is 88062731. The reversal of 88062721 is 12726088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87684496 + 378225 = 9364^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 88062721 - 2¹ = 88062719 is a prime.

Together with 88062719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88062731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44031360 + 44031361.

It is an arithmetic number, because the mean of its divisors is an integer number (44031361).

Almost surely, 2^88062721 is an apocalyptic number.

It is an amenable number.

88062721 is a deficient number, since it is larger than the sum of its proper divisors (1).

88062721 is an equidigital number, since it uses as much as digits as its factorization.

88062721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 88062721 is about 9384.1739647131. The cubic root of 88062721 is about 444.9016674535.

The spelling of 88062721 in words is "eighty-eight million, sixty-two thousand, seven hundred twenty-one".