99759191207 has 16 divisors (see below), whose sum is σ = 107791494720. Its totient is φ = 91778476032.

The previous prime is 99759191171. The next prime is 99759191263. The reversal of 99759191207 is 70219195799.

It is a cyclic number.

It is not a de Polignac number, because 99759191207 - 2³⁶ = 31039714471 is a prime.

It is a super-2 number, since 2×99759191207² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99759191297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7310663 + ... + 7324295.

It is an arithmetic number, because the mean of its divisors is an integer number (6736968420).

Almost surely, 2^99759191207 is an apocalyptic number.

99759191207 is a deficient number, since it is larger than the sum of its proper divisors (8032303513).

99759191207 is a wasteful number, since it uses less digits than its factorization.

99759191207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482.

The product of its (nonzero) digits is 3214890, while the sum is 59.

The spelling of 99759191207 in words is "ninety-nine billion, seven hundred fifty-nine million, one hundred ninety-one thousand, two hundred seven".