99497715480 has 192 divisors, whose sum is σ = 332560800000. Its totient is φ = 25784656128.

The previous prime is 99497715469. The next prime is 99497715497. The reversal of 99497715480 is 8451779499.

99497715480 is a `hidden beast` number, since 99 + 497 + 7 + 1 + 54 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3064371 + ... + 3096669.

It is an arithmetic number, because the mean of its divisors is an integer number (1732087500).

Almost surely, 2^99497715480 is an apocalyptic number.

99497715480 is a gapful number since it is divisible by the number (90) 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 99497715480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166280400000).

99497715480 is an abundant number, since it is smaller than the sum of its proper divisors (233063084520).

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

99497715480 is a wasteful number, since it uses less digits than its factorization.

99497715480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32558 (or 32551 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 99497715480 in words is "ninety-nine billion, four hundred ninety-seven million, seven hundred fifteen thousand, four hundred eighty".