99990000007952 has 40 divisors (see below), whose sum is σ = 194054771949696. Its totient is φ = 49911418031616.

The previous prime is 99990000007951. The next prime is 99990000007999. The reversal of 99990000007952 is 25970000009999.

It is a junction number, because it is equal to n+sod(n) for n = 99990000007891 and 99990000007900.

It is not an unprimeable number, because it can be changed into a prime (99990000007951) 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, 21099608 + ... + 25400264.

Almost surely, 2^{99990000007952} is an apocalyptic number.

It is an amenable number.

99990000007952 is a deficient number, since it is larger than the sum of its proper divisors (94064771941744).

99990000007952 is a wasteful number, since it uses less digits than its factorization.

99990000007952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303095 (or 4303089 counting only the distinct ones).

The product of its (nonzero) digits is 4133430, while the sum is 59.

The spelling of 99990000007952 in words is "ninety-nine trillion, nine hundred ninety billion, seven thousand, nine hundred fifty-two".