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85672711 is a prime number
BaseRepresentation
bin1010001101101…
…00001100000111
312222012121212101
411012310030013
5133413011321
612300132531
72060130445
oct506641407
9188177771
1085672711
11443a61a3
1224837147
1314998417
14b541b95
1577c4791
hex51b4307

85672711 has 2 divisors, whose sum is σ = 85672712. Its totient is φ = 85672710.

The previous prime is 85672709. The next prime is 85672733. The reversal of 85672711 is 11727658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85672711 - 21 = 85672709 is a prime.

Together with 85672709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85673711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42836355 + 42836356.

It is an arithmetic number, because the mean of its divisors is an integer number (42836356).

Almost surely, 285672711 is an apocalyptic number.

85672711 is a deficient number, since it is larger than the sum of its proper divisors (1).

85672711 is an equidigital number, since it uses as much as digits as its factorization.

85672711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 37.

The square root of 85672711 is about 9255.9554342056. The cubic root of 85672711 is about 440.8398405118.

The spelling of 85672711 in words is "eighty-five million, six hundred seventy-two thousand, seven hundred eleven".