86278151 has 2 divisors, whose sum is σ = 86278152. Its totient is φ = 86278150.

The previous prime is 86278057. The next prime is 86278193. The reversal of 86278151 is 15187268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86278151 - 2²⁶ = 19169287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86278051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43139075 + 43139076.

It is an arithmetic number, because the mean of its divisors is an integer number (43139076).

Almost surely, 2^86278151 is an apocalyptic number.

86278151 is a deficient number, since it is larger than the sum of its proper divisors (1).

86278151 is an equidigital number, since it uses as much as digits as its factorization.

86278151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 38.

The square root of 86278151 is about 9288.6032857475. The cubic root of 86278151 is about 441.8758600481.

The spelling of 86278151 in words is "eighty-six million, two hundred seventy-eight thousand, one hundred fifty-one".