99541867 has 2 divisors, whose sum is σ = 99541868. Its totient is φ = 99541866.

The previous prime is 99541847. The next prime is 99541879. The reversal of 99541867 is 76814599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99541867 - 2¹¹ = 99539819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99541867.

It is not a weakly prime, because it can be changed into another prime (99541847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49770933 + 49770934.

It is an arithmetic number, because the mean of its divisors is an integer number (49770934).

Almost surely, 2^99541867 is an apocalyptic number.

99541867 is a deficient number, since it is larger than the sum of its proper divisors (1).

99541867 is an equidigital number, since it uses as much as digits as its factorization.

99541867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 99541867 is about 9977.0670539994. The cubic root of 99541867 is about 463.4489764768.

The spelling of 99541867 in words is "ninety-nine million, five hundred forty-one thousand, eight hundred sixty-seven".