99815463 has 16 divisors (see below), whose sum is σ = 161318400. Its totient is φ = 60494040.

The previous prime is 99815413. The next prime is 99815467. The reversal of 99815463 is 36451899.

It is a happy number.

It is not a de Polignac number, because 99815463 - 2⁸ = 99815207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99815467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167743 + ... + 168336.

It is an arithmetic number, because the mean of its divisors is an integer number (10082400).

Almost surely, 2^99815463 is an apocalyptic number.

99815463 is a deficient number, since it is larger than the sum of its proper divisors (61502937).

99815463 is a wasteful number, since it uses less digits than its factorization.

99815463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336099 (or 336093 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 99815463 is about 9990.7688893298. The cubic root of 99815463 is about 463.8731925946.

It can be divided in two parts, 998 and 15463, that added together give a palindrome (16461).

The spelling of 99815463 in words is "ninety-nine million, eight hundred fifteen thousand, four hundred sixty-three".