99387870296401 has 8 divisors (see below), whose sum is σ = 106002348571080. Its totient is φ = 92858740128768.

The previous prime is 99387870296291. The next prime is 99387870296411. The reversal of 99387870296401 is 10469207878399.

It can be written as a sum of positive squares in 4 ways, for example, as 20686132336401 + 78701737960000 = 4548201^2 + 8871400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99387870296401 - 2²⁵ = 99387836741969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99387870296411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21337024356 + ... + 21337029013.

It is an arithmetic number, because the mean of its divisors is an integer number (13250293571385).

Almost surely, 2^{99387870296401} is an apocalyptic number.

It is an amenable number.

99387870296401 is a deficient number, since it is larger than the sum of its proper divisors (6614478274679).

99387870296401 is a wasteful number, since it uses less digits than its factorization.

99387870296401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42674053523.

The product of its (nonzero) digits is 329204736, while the sum is 73.

The spelling of 99387870296401 in words is "ninety-nine trillion, three hundred eighty-seven billion, eight hundred seventy million, two hundred ninety-six thousand, four hundred one".