99215063 has 4 divisors (see below), whose sum is σ = 99238560. Its totient is φ = 99191568.

The previous prime is 99215057. The next prime is 99215069. The reversal of 99215063 is 36051299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36051299 = 83 ⋅434353.

It is an interprime number because it is at equal distance from previous prime (99215057) and next prime (99215069).

It is a cyclic number.

It is not a de Polignac number, because 99215063 - 2⁴ = 99215047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99215069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470 + ... + 14507.

It is an arithmetic number, because the mean of its divisors is an integer number (24809640).

Almost surely, 2^99215063 is an apocalyptic number.

99215063 is a deficient number, since it is larger than the sum of its proper divisors (23497).

99215063 is a wasteful number, since it uses less digits than its factorization.

99215063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23496.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 99215063 is about 9960.6758304846. The cubic root of 99215063 is about 462.9412402670.

The spelling of 99215063 in words is "ninety-nine million, two hundred fifteen thousand, sixty-three".