99903322971 has 32 divisors (see below), whose sum is σ = 148700904000. Its totient is φ = 66289757184.

The previous prime is 99903322963. The next prime is 99903322979. The reversal of 99903322971 is 17922330999.

It is an interprime number because it is at equal distance from previous prime (99903322963) and next prime (99903322979).

It is not a de Polignac number, because 99903322971 - 2³ = 99903322963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99903322979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5116395 + ... + 5135883.

It is an arithmetic number, because the mean of its divisors is an integer number (4646903250).

Almost surely, 2^99903322971 is an apocalyptic number.

99903322971 is a deficient number, since it is larger than the sum of its proper divisors (48797581029).

99903322971 is a wasteful number, since it uses less digits than its factorization.

99903322971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20374 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The spelling of 99903322971 in words is "ninety-nine billion, nine hundred three million, three hundred twenty-two thousand, nine hundred seventy-one".