88771213 has 2 divisors, whose sum is σ = 88771214. Its totient is φ = 88771212.

The previous prime is 88771187. The next prime is 88771231. The reversal of 88771213 is 31217788.

Together with next prime (88771231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73925604 + 14845609 = 8598^2 + 3853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88771213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88771253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44385606 + 44385607.

It is an arithmetic number, because the mean of its divisors is an integer number (44385607).

Almost surely, 2^88771213 is an apocalyptic number.

It is an amenable number.

88771213 is a deficient number, since it is larger than the sum of its proper divisors (1).

88771213 is an equidigital number, since it uses as much as digits as its factorization.

88771213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 37.

The square root of 88771213 is about 9421.8476425805. The cubic root of 88771213 is about 446.0916061238.

The spelling of 88771213 in words is "eighty-eight million, seven hundred seventy-one thousand, two hundred thirteen".