99575453376 has 336 divisors, whose sum is σ = 331051229184. Its totient is φ = 28029431808.

The previous prime is 99575453363. The next prime is 99575453389. The reversal of 99575453376 is 67335457599.

99575453376 is a `hidden beast` number, since 9 + 9 + 57 + 545 + 3 + 37 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (99575453363) and next prime (99575453389).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83465836 + ... + 83467028.

Almost surely, 2^99575453376 is an apocalyptic number.

99575453376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99575453376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165525614592).

99575453376 is an abundant number, since it is smaller than the sum of its proper divisors (231475775808).

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

99575453376 is a wasteful number, since it uses less digits than its factorization.

99575453376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1495 counting only the distinct ones).

The product of its digits is 107163000, while the sum is 63.

The spelling of 99575453376 in words is "ninety-nine billion, five hundred seventy-five million, four hundred fifty-three thousand, three hundred seventy-six".