99594101880 has 512 divisors, whose sum is σ = 411164006400. Its totient is φ = 20880986112.

The previous prime is 99594101879. The next prime is 99594101921. The reversal of 99594101880 is 8810149599.

99594101880 is a `hidden beast` number, since 99 + 59 + 410 + 18 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16016532 + ... + 16022748.

It is an arithmetic number, because the mean of its divisors is an integer number (803054700).

Almost surely, 2^99594101880 is an apocalyptic number.

99594101880 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 99594101880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205582003200).

99594101880 is an abundant number, since it is smaller than the sum of its proper divisors (311569904520).

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

99594101880 is a wasteful number, since it uses less digits than its factorization.

99594101880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 99594101880 in words is "ninety-nine billion, five hundred ninety-four million, one hundred one thousand, eight hundred eighty".