99043678 has 4 divisors (see below), whose sum is σ = 148565520. Its totient is φ = 49521838.

The previous prime is 99043673. The next prime is 99043723. The reversal of 99043678 is 87634099.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99043673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24760918 + ... + 24760921.

It is an arithmetic number, because the mean of its divisors is an integer number (37141380).

Almost surely, 2^99043678 is an apocalyptic number.

99043678 is a deficient number, since it is larger than the sum of its proper divisors (49521842).

99043678 is a wasteful number, since it uses less digits than its factorization.

99043678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49521841.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 99043678 is about 9952.0690311111. The cubic root of 99043678 is about 462.6745236655.

The spelling of 99043678 in words is "ninety-nine million, forty-three thousand, six hundred seventy-eight".