99550079 has 4 divisors (see below), whose sum is σ = 105405984. Its totient is φ = 93694176.

The previous prime is 99550067. The next prime is 99550123. The reversal of 99550079 is 97005599.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99550079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99550019) 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, 2927927 + ... + 2927960.

It is an arithmetic number, because the mean of its divisors is an integer number (26351496).

Almost surely, 2^99550079 is an apocalyptic number.

99550079 is a deficient number, since it is larger than the sum of its proper divisors (5855905).

99550079 is a wasteful number, since it uses less digits than its factorization.

99550079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855904.

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 99550079 is about 9977.4785893030. The cubic root of 99550079 is about 463.4617206565.

The spelling of 99550079 in words is "ninety-nine million, five hundred fifty thousand, seventy-nine".