864077 has 2 divisors, whose sum is σ = 864078. Its totient is φ = 864076.

The previous prime is 864053. The next prime is 864079. The reversal of 864077 is 770468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724201 + 139876 = 851^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 864077 - 2⁶ = 864013 is a prime.

Together with 864079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432038 + 432039.

It is an arithmetic number, because the mean of its divisors is an integer number (432039).

2⁸⁶⁴⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

864077 is a deficient number, since it is larger than the sum of its proper divisors (1).

864077 is an equidigital number, since it uses as much as digits as its factorization.

864077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 864077 is about 929.5574215722. The cubic root of 864077 is about 95.2468924294.

The spelling of 864077 in words is "eight hundred sixty-four thousand, seventy-seven".