99407079552 has 192 divisors, whose sum is σ = 294334447680. Its totient is φ = 29698099200.

The previous prime is 99407079533. The next prime is 99407079553. The reversal of 99407079552 is 25597070499.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 99407079492 and 99407079501.

It is not an unprimeable number, because it can be changed into a prime (99407079553) 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, 3283878 + ... + 3314010.

It is an arithmetic number, because the mean of its divisors is an integer number (1532991915).

Almost surely, 2^99407079552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99407079552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147167223840).

99407079552 is an abundant number, since it is smaller than the sum of its proper divisors (194927368128).

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

99407079552 is a wasteful number, since it uses less digits than its factorization.

99407079552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30243 (or 30220 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 99407079552 in words is "ninety-nine billion, four hundred seven million, seventy-nine thousand, five hundred fifty-two".