99992377143 has 48 divisors (see below), whose sum is σ = 151900569600. Its totient is φ = 63305193600.

The previous prime is 99992377141. The next prime is 99992377171. The reversal of 99992377143 is 34177329999.

It is not a de Polignac number, because 99992377143 - 2¹ = 99992377141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992377141) by changing a digit.

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, 4040698 + ... + 4065368.

It is an arithmetic number, because the mean of its divisors is an integer number (3164595200).

Almost surely, 2^99992377143 is an apocalyptic number.

99992377143 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

99992377143 is a deficient number, since it is larger than the sum of its proper divisors (51908192457).

99992377143 is a wasteful number, since it uses less digits than its factorization.

99992377143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980 (or 24977 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The spelling of 99992377143 in words is "ninety-nine billion, nine hundred ninety-two million, three hundred seventy-seven thousand, one hundred forty-three".