89876513 has 2 divisors, whose sum is σ = 89876514. Its totient is φ = 89876512.

The previous prime is 89876497. The next prime is 89876519. The reversal of 89876513 is 31567898.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82864609 + 7011904 = 9103^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 89876513 - 2⁴ = 89876497 is a prime.

It is not a weakly prime, because it can be changed into another prime (89876519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44938256 + 44938257.

It is an arithmetic number, because the mean of its divisors is an integer number (44938257).

Almost surely, 2^89876513 is an apocalyptic number.

It is an amenable number.

89876513 is a deficient number, since it is larger than the sum of its proper divisors (1).

89876513 is an equidigital number, since it uses as much as digits as its factorization.

89876513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 89876513 is about 9480.3224101293. The cubic root of 89876513 is about 447.9354196478.

The spelling of 89876513 in words is "eighty-nine million, eight hundred seventy-six thousand, five hundred thirteen".