89963515 has 4 divisors (see below), whose sum is σ = 107956224. Its totient is φ = 71970808.

The previous prime is 89963491. The next prime is 89963543. The reversal of 89963515 is 51536998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51536998 = 2 ⋅25768499.

It is a cyclic number.

It is not a de Polignac number, because 89963515 - 2⁷ = 89963387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8996347 + ... + 8996356.

It is an arithmetic number, because the mean of its divisors is an integer number (26989056).

Almost surely, 2^89963515 is an apocalyptic number.

89963515 is a deficient number, since it is larger than the sum of its proper divisors (17992709).

89963515 is a wasteful number, since it uses less digits than its factorization.

89963515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992708.

The product of its digits is 291600, while the sum is 46.

The square root of 89963515 is about 9484.9098572417. The cubic root of 89963515 is about 448.0799094145.

The spelling of 89963515 in words is "eighty-nine million, nine hundred sixty-three thousand, five hundred fifteen".