86850077 has 2 divisors, whose sum is σ = 86850078. Its totient is φ = 86850076.

The previous prime is 86850073. The next prime is 86850089. The reversal of 86850077 is 77005868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 40691641 = 6794^2 + 6379^2 .

It is a cyclic number.

It is not a de Polignac number, because 86850077 - 2² = 86850073 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 (86850073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43425038 + 43425039.

It is an arithmetic number, because the mean of its divisors is an integer number (43425039).

Almost surely, 2^86850077 is an apocalyptic number.

It is an amenable number.

86850077 is a deficient number, since it is larger than the sum of its proper divisors (1).

86850077 is an equidigital number, since it uses as much as digits as its factorization.

86850077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 86850077 is about 9319.3388714007. The cubic root of 86850077 is about 442.8500886394.

The spelling of 86850077 in words is "eighty-six million, eight hundred fifty thousand, seventy-seven".