869282077 has 2 divisors, whose sum is σ = 869282078. Its totient is φ = 869282076.

The previous prime is 869281997. The next prime is 869282081. The reversal of 869282077 is 770282968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662238756 + 207043321 = 25734^2 + 14389^2 .

It is a cyclic number.

It is not a de Polignac number, because 869282077 - 2¹¹ = 869280029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 869282077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869282177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434641038 + 434641039.

It is an arithmetic number, because the mean of its divisors is an integer number (434641039).

Almost surely, 2^869282077 is an apocalyptic number.

It is an amenable number.

869282077 is a deficient number, since it is larger than the sum of its proper divisors (1).

869282077 is an equidigital number, since it uses as much as digits as its factorization.

869282077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 869282077 is about 29483.5899611971. The cubic root of 869282077 is about 954.3776093220.

The spelling of 869282077 in words is "eight hundred sixty-nine million, two hundred eighty-two thousand, seventy-seven".