86407157 has 2 divisors, whose sum is σ = 86407158. Its totient is φ = 86407156.

The previous prime is 86407151. The next prime is 86407177. The reversal of 86407157 is 75170468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 23902321 = 7906^2 + 4889^2 .

It is a cyclic number.

It is not a de Polignac number, because 86407157 - 2¹⁶ = 86341621 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86407157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86407151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43203578 + 43203579.

It is an arithmetic number, because the mean of its divisors is an integer number (43203579).

Almost surely, 2^86407157 is an apocalyptic number.

It is an amenable number.

86407157 is a deficient number, since it is larger than the sum of its proper divisors (1).

86407157 is an equidigital number, since it uses as much as digits as its factorization.

86407157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 86407157 is about 9295.5450082284. The cubic root of 86407157 is about 442.0959862653.

The spelling of 86407157 in words is "eighty-six million, four hundred seven thousand, one hundred fifty-seven".