99711912 has 32 divisors (see below), whose sum is σ = 249760800. Its totient is φ = 33173184.

The previous prime is 99711907. The next prime is 99711917. The reversal of 99711912 is 21911799.

It is an interprime number because it is at equal distance from previous prime (99711907) and next prime (99711917).

It is not an unprimeable number, because it can be changed into a prime (99711917) 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, 9639 + ... + 17097.

It is an arithmetic number, because the mean of its divisors is an integer number (7805025).

Almost surely, 2^99711912 is an apocalyptic number.

It is an amenable number.

99711912 is an abundant number, since it is smaller than the sum of its proper divisors (150048888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99711912 is a wasteful number, since it uses less digits than its factorization.

99711912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025 (or 8021 counting only the distinct ones).

The product of its digits is 10206, while the sum is 39.

The square root of 99711912 is about 9985.5852106925. The cubic root of 99711912 is about 463.7127259633.

The spelling of 99711912 in words is "ninety-nine million, seven hundred eleven thousand, nine hundred twelve".