99071867 has 8 divisors (see below), whose sum is σ = 102141312. Its totient is φ = 96033600.

The previous prime is 99071857. The next prime is 99071873. The reversal of 99071867 is 76817099.

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

It is a cyclic number.

It is not a de Polignac number, because 99071867 - 2⁴ = 99071851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99071807) 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, 1259 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (12767664).

Almost surely, 2^99071867 is an apocalyptic number.

99071867 is a deficient number, since it is larger than the sum of its proper divisors (3069445).

99071867 is a wasteful number, since it uses less digits than its factorization.

99071867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15589.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 99071867 is about 9953.4851685226. The cubic root of 99071867 is about 462.7184137124.

The spelling of 99071867 in words is "ninety-nine million, seventy-one thousand, eight hundred sixty-seven".