877321073 has 2 divisors, whose sum is σ = 877321074. Its totient is φ = 877321072.

The previous prime is 877321051. The next prime is 877321087. The reversal of 877321073 is 370123778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868363024 + 8958049 = 29468^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 877321073 - 2¹⁸ = 877058929 is a prime.

It is not a weakly prime, because it can be changed into another prime (877321043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438660536 + 438660537.

It is an arithmetic number, because the mean of its divisors is an integer number (438660537).

Almost surely, 2^877321073 is an apocalyptic number.

It is an amenable number.

877321073 is a deficient number, since it is larger than the sum of its proper divisors (1).

877321073 is an equidigital number, since it uses as much as digits as its factorization.

877321073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 877321073 is about 29619.6062262819. The cubic root of 877321073 is about 957.3105690469.

The spelling of 877321073 in words is "eight hundred seventy-seven million, three hundred twenty-one thousand, seventy-three".