99999999999948 has 48 divisors (see below), whose sum is σ = 234558159544800. Its totient is φ = 33158630928384.

The previous prime is 99999999999931. The next prime is 99999999999959. The reversal of 99999999999948 is 84999999999999.

It is a super-9 number, since 9×99999999999948⁹ (a number of 127 digits) contains 999999999 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14114365 + ... + 19980372.

It is an arithmetic number, because the mean of its divisors is an integer number (4886628323850).

Almost surely, 2^{99999999999948} is an apocalyptic number.

It is an amenable number.

99999999999948 is an abundant number, since it is smaller than the sum of its proper divisors (134558159544852).

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

99999999999948 is a wasteful number, since it uses less digits than its factorization.

99999999999948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34096026 (or 34096024 counting only the distinct ones).

The product of its digits is 9037745167392, while the sum is 120.

The spelling of 99999999999948 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".