99177540480 has 160 divisors (see below), whose sum is σ = 354181089240. Its totient is φ = 26447330304.

The previous prime is 99177540467. The next prime is 99177540491. The reversal of 99177540480 is 8404577199.

99177540480 is a `hidden beast` number, since 9 + 9 + 17 + 7 + 540 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 904734 + ... + 1008413.

Almost surely, 2^99177540480 is an apocalyptic number.

99177540480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99177540480 is an abundant number, since it is smaller than the sum of its proper divisors (255003548760).

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

99177540480 is a wasteful number, since it uses less digits than its factorization.

99177540480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913178 (or 1913157 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 99177540480 in words is "ninety-nine billion, one hundred seventy-seven million, five hundred forty thousand, four hundred eighty".