88969213 has 2 divisors, whose sum is σ = 88969214. Its totient is φ = 88969212.

The previous prime is 88969189. The next prime is 88969219. The reversal of 88969213 is 31296988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 5008644 = 9163^2 + 2238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88969213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88969219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44484606 + 44484607.

It is an arithmetic number, because the mean of its divisors is an integer number (44484607).

Almost surely, 2^88969213 is an apocalyptic number.

It is an amenable number.

88969213 is a deficient number, since it is larger than the sum of its proper divisors (1).

88969213 is an equidigital number, since it uses as much as digits as its factorization.

88969213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 46.

The square root of 88969213 is about 9432.3492831850. The cubic root of 88969213 is about 446.4230219330.

The spelling of 88969213 in words is "eighty-eight million, nine hundred sixty-nine thousand, two hundred thirteen".