99123627506 has 8 divisors (see below), whose sum is σ = 157431643740. Its totient is φ = 46646412928.

The previous prime is 99123627487. The next prime is 99123627517. The reversal of 99123627506 is 60572632199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96622127281 + 2501500225 = 310841^2 + 50015^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457700371 + ... + 1457700438.

Almost surely, 2^99123627506 is an apocalyptic number.

99123627506 is a deficient number, since it is larger than the sum of its proper divisors (58308016234).

99123627506 is a wasteful number, since it uses less digits than its factorization.

99123627506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915400828.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 99123627506 in words is "ninety-nine billion, one hundred twenty-three million, six hundred twenty-seven thousand, five hundred six".