Search a number
-
+
86768419 is a prime number
BaseRepresentation
bin1010010101111…
…11101100100011
320001021021220011
411022333230203
5134203042134
612335425351
72102343103
oct512775443
9201237804
1086768419
1144a84441
1225085257
1314c9007a
14b749203
15793e264
hex52bfb23

86768419 has 2 divisors, whose sum is σ = 86768420. Its totient is φ = 86768418.

The previous prime is 86768399. The next prime is 86768431. The reversal of 86768419 is 91486768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86768419 - 215 = 86735651 is a prime.

It is a super-2 number, since 2×867684192 = 15057517071519122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86760419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43384209 + 43384210.

It is an arithmetic number, because the mean of its divisors is an integer number (43384210).

Almost surely, 286768419 is an apocalyptic number.

86768419 is a deficient number, since it is larger than the sum of its proper divisors (1).

86768419 is an equidigital number, since it uses as much as digits as its factorization.

86768419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 86768419 is about 9314.9567363461. The cubic root of 86768419 is about 442.7112532533.

The spelling of 86768419 in words is "eighty-six million, seven hundred sixty-eight thousand, four hundred nineteen".