99879154743707 has 16 divisors (see below), whose sum is σ = 100800978066720. Its totient is φ = 98961346778112.

The previous prime is 99879154743703. The next prime is 99879154743733. The reversal of 99879154743707 is 70734745197899.

It is a cyclic number.

It is not a de Polignac number, because 99879154743707 - 2² = 99879154743703 is a prime.

It is a super-2 number, since 2×99879154743707² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99879154743703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77443913 + ... + 78723045.

It is an arithmetic number, because the mean of its divisors is an integer number (6300061129170).

Almost surely, 2^{99879154743707} is an apocalyptic number.

99879154743707 is a deficient number, since it is larger than the sum of its proper divisors (921823323013).

99879154743707 is a wasteful number, since it uses less digits than its factorization.

99879154743707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280702.

The product of its (nonzero) digits is 3360631680, while the sum is 80.

The spelling of 99879154743707 in words is "ninety-nine trillion, eight hundred seventy-nine billion, one hundred fifty-four million, seven hundred forty-three thousand, seven hundred seven".