99074638505 has 16 divisors (see below), whose sum is σ = 123084705600. Its totient is φ = 76467195840.

The previous prime is 99074638459. The next prime is 99074638549. The reversal of 99074638505 is 50583647099.

It is a happy number.

It is not a de Polignac number, because 99074638505 - 2¹⁰ = 99074637481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77435 + ... + 451824.

It is an arithmetic number, because the mean of its divisors is an integer number (7692794100).

Almost surely, 2^99074638505 is an apocalyptic number.

It is an amenable number.

99074638505 is a deficient number, since it is larger than the sum of its proper divisors (24010067095).

99074638505 is a wasteful number, since it uses less digits than its factorization.

99074638505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530584.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 99074638505 in words is "ninety-nine billion, seventy-four million, six hundred thirty-eight thousand, five hundred five".