99688463 has 12 divisors (see below), whose sum is σ = 119102928. Its totient is φ = 81729120.

The previous prime is 99688451. The next prime is 99688483. The reversal of 99688463 is 36488699.

It is not a de Polignac number, because 99688463 - 2¹² = 99684367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99688423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9758 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (9925244).

Almost surely, 2^99688463 is an apocalyptic number.

99688463 is a deficient number, since it is larger than the sum of its proper divisors (19414465).

99688463 is a wasteful number, since it uses less digits than its factorization.

99688463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26974 (or 26951 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 99688463 is about 9984.4109991526. The cubic root of 99688463 is about 463.6763730610.

The spelling of 99688463 in words is "ninety-nine million, six hundred eighty-eight thousand, four hundred sixty-three".