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99870011 is a prime number
BaseRepresentation
bin1011111001111…
…10010100111011
320221220220220022
411330332110323
5201031320021
613524321055
72321611133
oct574762473
9227826808
1099870011
11514128aa
122954318b
13178c95a7
14d399ac3
158b7b1ab
hex5f3e53b

99870011 has 2 divisors, whose sum is σ = 99870012. Its totient is φ = 99870010.

The previous prime is 99869989. The next prime is 99870031. The reversal of 99870011 is 11007899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99870011 - 214 = 99853627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99870031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49935005 + 49935006.

It is an arithmetic number, because the mean of its divisors is an integer number (49935006).

Almost surely, 299870011 is an apocalyptic number.

99870011 is a deficient number, since it is larger than the sum of its proper divisors (1).

99870011 is an equidigital number, since it uses as much as digits as its factorization.

99870011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 99870011 is about 9993.4984364836. The cubic root of 99870011 is about 463.9576776574.

The spelling of 99870011 in words is "ninety-nine million, eight hundred seventy thousand, eleven".