88907321 has 2 divisors, whose sum is σ = 88907322. Its totient is φ = 88907320.

The previous prime is 88907309. The next prime is 88907323. The reversal of 88907321 is 12370988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53860921 + 35046400 = 7339^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 88907321 - 2¹⁴ = 88890937 is a prime.

Together with 88907323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88907323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44453660 + 44453661.

It is an arithmetic number, because the mean of its divisors is an integer number (44453661).

Almost surely, 2^88907321 is an apocalyptic number.

It is an amenable number.

88907321 is a deficient number, since it is larger than the sum of its proper divisors (1).

88907321 is an equidigital number, since it uses as much as digits as its factorization.

88907321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 88907321 is about 9429.0678754583. The cubic root of 88907321 is about 446.3194789124.

The spelling of 88907321 in words is "eighty-eight million, nine hundred seven thousand, three hundred twenty-one".