99727111332432 has 80 divisors (see below), whose sum is σ = 286407070649280. Its totient is φ = 33224564942208.

The previous prime is 99727111332389. The next prime is 99727111332437. The reversal of 99727111332432 is 23423311172799.

99727111332432 is a `hidden beast` number, since 9 + 9 + 7 + 2 + 71 + 1 + 133 + 2 + 432 = 666.

It is a super-2 number, since 2×99727111332432² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99727111332437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61017183 + ... + 62630270.

It is an arithmetic number, because the mean of its divisors is an integer number (3580088383116).

Almost surely, 2^{99727111332432} is an apocalyptic number.

It is an amenable number.

99727111332432 is an abundant number, since it is smaller than the sum of its proper divisors (186679959316848).

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

99727111332432 is a wasteful number, since it uses less digits than its factorization.

99727111332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123649337 (or 123649325 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The spelling of 99727111332432 in words is "ninety-nine trillion, seven hundred twenty-seven billion, one hundred eleven million, three hundred thirty-two thousand, four hundred thirty-two".