99996539442775 has 48 divisors (see below), whose sum is σ = 127987719511680. Its totient is φ = 77462547465600.

The previous prime is 99996539442757. The next prime is 99996539442841. The reversal of 99996539442775 is 57724493569999.

It is not a de Polignac number, because 99996539442775 - 2⁵ = 99996539442743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2403106720 + ... + 2403148330.

It is an arithmetic number, because the mean of its divisors is an integer number (2666410823160).

Almost surely, 2^{99996539442775} is an apocalyptic number.

99996539442775 is a deficient number, since it is larger than the sum of its proper divisors (27991180068905).

99996539442775 is a wasteful number, since it uses less digits than its factorization.

99996539442775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66064 (or 66059 counting only the distinct ones).

The product of its digits is 41664974400, while the sum is 88.

The spelling of 99996539442775 in words is "ninety-nine trillion, nine hundred ninety-six billion, five hundred thirty-nine million, four hundred forty-two thousand, seven hundred seventy-five".