99968122157029 has 4 divisors (see below), whose sum is σ = 114249282465184. Its totient is φ = 85686961848876.

The previous prime is 99968122157027. The next prime is 99968122157047. The reversal of 99968122157029 is 92075122186999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99968122157029 - 2¹ = 99968122157027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99968122157027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7140580154067 + ... + 7140580154080.

It is an arithmetic number, because the mean of its divisors is an integer number (28562320616296).

Almost surely, 2^{99968122157029} is an apocalyptic number.

It is an amenable number.

99968122157029 is a deficient number, since it is larger than the sum of its proper divisors (14281160308155).

99968122157029 is a wasteful number, since it uses less digits than its factorization.

99968122157029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14281160308154.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 99968122157029 in words is "ninety-nine trillion, nine hundred sixty-eight billion, one hundred twenty-two million, one hundred fifty-seven thousand, twenty-nine".