99999463 has 4 divisors (see below), whose sum is σ = 100884528. Its totient is φ = 99114400.

The previous prime is 99999439. The next prime is 99999481. The reversal of 99999463 is 36499999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99999463 - 2¹³ = 99991271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99999398 and 99999407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999563) 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, 442363 + ... + 442588.

It is an arithmetic number, because the mean of its divisors is an integer number (25221132).

Almost surely, 2^99999463 is an apocalyptic number.

99999463 is a deficient number, since it is larger than the sum of its proper divisors (885065).

99999463 is a wasteful number, since it uses less digits than its factorization.

99999463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885064.

The product of its digits is 4251528, while the sum is 58.

The square root of 99999463 is about 9999.9731499640. The cubic root of 99999463 is about 464.1580525154.

The spelling of 99999463 in words is "ninety-nine million, nine hundred ninety-nine thousand, four hundred sixty-three".