99550371258 has 48 divisors (see below), whose sum is σ = 232749972000. Its totient is φ = 30569463072.

The previous prime is 99550371251. The next prime is 99550371287. The reversal of 99550371258 is 85217305599.

99550371258 is a `hidden beast` number, since 9 + 9 + 5 + 503 + 7 + 125 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (99550371251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309516 + ... + 543047.

It is an arithmetic number, because the mean of its divisors is an integer number (4848957750).

Almost surely, 2^99550371258 is an apocalyptic number.

99550371258 is an abundant number, since it is smaller than the sum of its proper divisors (133199600742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99550371258 is a wasteful number, since it uses less digits than its factorization.

99550371258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853083 (or 853080 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 99550371258 in words is "ninety-nine billion, five hundred fifty million, three hundred seventy-one thousand, two hundred fifty-eight".