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86117893 is a prime number
BaseRepresentation
bin1010010001000…
…00111000000101
320000001020112121
411020200320011
5134021233033
612313445541
72063663401
oct510407005
9200036477
1086117893
114467a714
1224a108b1
1314ac2c44
14b61a101
15786162d
hex5220e05

86117893 has 2 divisors, whose sum is σ = 86117894. Its totient is φ = 86117892.

The previous prime is 86117851. The next prime is 86117947. The reversal of 86117893 is 39871168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 9345249 = 8762^2 + 3057^2 .

It is a cyclic number.

It is not a de Polignac number, because 86117893 - 225 = 52563461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86117803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43058946 + 43058947.

It is an arithmetic number, because the mean of its divisors is an integer number (43058947).

Almost surely, 286117893 is an apocalyptic number.

It is an amenable number.

86117893 is a deficient number, since it is larger than the sum of its proper divisors (1).

86117893 is an equidigital number, since it uses as much as digits as its factorization.

86117893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 86117893 is about 9279.9726831494. The cubic root of 86117893 is about 441.6021019343.

The spelling of 86117893 in words is "eighty-six million, one hundred seventeen thousand, eight hundred ninety-three".