99971110 has 32 divisors (see below), whose sum is σ = 189749952. Its totient is φ = 37847040.

The previous prime is 99971107. The next prime is 99971117. The reversal of 99971110 is 1117999.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99971110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99971117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20070 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (5929686).

Almost surely, 2^99971110 is an apocalyptic number.

99971110 is a deficient number, since it is larger than the sum of its proper divisors (89778842).

99971110 is a wasteful number, since it uses less digits than its factorization.

99971110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 99971110 is about 9998.5553956559. Note that the first 3 decimals coincide. The cubic root of 99971110 is about 464.1141805557.

The spelling of 99971110 in words is "ninety-nine million, nine hundred seventy-one thousand, one hundred ten".