99355387 has 4 divisors (see below), whose sum is σ = 99444520. Its totient is φ = 99266256.

The previous prime is 99355379. The next prime is 99355411. The reversal of 99355387 is 78355399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78355399 = 2237 ⋅35027.

It is a cyclic number.

It is not a de Polignac number, because 99355387 - 2³ = 99355379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99355387.

It is not an unprimeable number, because it can be changed into a prime (99355307) 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, 42873 + ... + 45130.

It is an arithmetic number, because the mean of its divisors is an integer number (24861130).

Almost surely, 2^99355387 is an apocalyptic number.

99355387 is a deficient number, since it is larger than the sum of its proper divisors (89133).

99355387 is a wasteful number, since it uses less digits than its factorization.

99355387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89132.

The product of its digits is 1020600, while the sum is 49.

The square root of 99355387 is about 9967.7172411741. The cubic root of 99355387 is about 463.1593898189.

The spelling of 99355387 in words is "ninety-nine million, three hundred fifty-five thousand, three hundred eighty-seven".