88727621 has 2 divisors, whose sum is σ = 88727622. Its totient is φ = 88727620.

The previous prime is 88727603. The next prime is 88727623. The reversal of 88727621 is 12672788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 29268100 = 7711^2 + 5410^2 .

It is a cyclic number.

It is not a de Polignac number, because 88727621 - 2⁶ = 88727557 is a prime.

Together with 88727623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88727623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44363810 + 44363811.

It is an arithmetic number, because the mean of its divisors is an integer number (44363811).

Almost surely, 2^88727621 is an apocalyptic number.

It is an amenable number.

88727621 is a deficient number, since it is larger than the sum of its proper divisors (1).

88727621 is an equidigital number, since it uses as much as digits as its factorization.

88727621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 41.

The square root of 88727621 is about 9419.5340118288. The cubic root of 88727621 is about 446.0185749066.

The spelling of 88727621 in words is "eighty-eight million, seven hundred twenty-seven thousand, six hundred twenty-one".