86277077 has 2 divisors, whose sum is σ = 86277078. Its totient is φ = 86277076.

The previous prime is 86277067. The next prime is 86277137. The reversal of 86277077 is 77077268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 2353156 = 9161^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 86277077 - 2⁶ = 86277013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86277017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43138538 + 43138539.

It is an arithmetic number, because the mean of its divisors is an integer number (43138539).

Almost surely, 2^86277077 is an apocalyptic number.

It is an amenable number.

86277077 is a deficient number, since it is larger than the sum of its proper divisors (1).

86277077 is an equidigital number, since it uses as much as digits as its factorization.

86277077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 86277077 is about 9288.5454727853. The cubic root of 86277077 is about 441.8740265339.

The spelling of 86277077 in words is "eighty-six million, two hundred seventy-seven thousand, seventy-seven".