99479997769158 has 12 divisors (see below), whose sum is σ = 215539995166548. Its totient is φ = 33159999256380.

The previous prime is 99479997769079. The next prime is 99479997769177. The reversal of 99479997769158 is 85196779997499.

99479997769158 is a `hidden beast` number, since 9 + 9 + 479 + 9 + 9 + 7 + 76 + 9 + 1 + 58 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2763333271348 + ... + 2763333271383.

It is an arithmetic number, because the mean of its divisors is an integer number (17961666263879).

Almost surely, 2^{99479997769158} is an apocalyptic number.

99479997769158 is an abundant number, since it is smaller than the sum of its proper divisors (116059997397390).

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

99479997769158 is a wasteful number, since it uses less digits than its factorization.

99479997769158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526666542739 (or 5526666542736 counting only the distinct ones).

The product of its digits is 174992892480, while the sum is 99.

The spelling of 99479997769158 in words is "ninety-nine trillion, four hundred seventy-nine billion, nine hundred ninety-seven million, seven hundred sixty-nine thousand, one hundred fifty-eight".