805677673 has 2 divisors, whose sum is σ = 805677674. Its totient is φ = 805677672.

The previous prime is 805677667. The next prime is 805677679. The reversal of 805677673 is 376776508.

It is a balanced prime because it is at equal distance from previous prime (805677667) and next prime (805677679).

It can be written as a sum of positive squares in only one way, i.e., 568917904 + 236759769 = 23852^2 + 15387^2 .

It is a cyclic number.

It is not a de Polignac number, because 805677673 - 2²¹ = 803580521 is a prime.

It is not a weakly prime, because it can be changed into another prime (805677679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402838836 + 402838837.

It is an arithmetic number, because the mean of its divisors is an integer number (402838837).

Almost surely, 2^805677673 is an apocalyptic number.

It is an amenable number.

805677673 is a deficient number, since it is larger than the sum of its proper divisors (1).

805677673 is an equidigital number, since it uses as much as digits as its factorization.

805677673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 805677673 is about 28384.4618233286. The cubic root of 805677673 is about 930.5087103922.

The spelling of 805677673 in words is "eight hundred five million, six hundred seventy-seven thousand, six hundred seventy-three".