1026716845 has 24 divisors (see below), whose sum is σ = 1563509088. Its totient is φ = 640029600.

The previous prime is 1026716809. The next prime is 1026716881. The reversal of 1026716845 is 5486176201.

It is an interprime number because it is at equal distance from previous prime (1026716809) and next prime (1026716881).

It is not a de Polignac number, because 1026716845 - 2¹¹ = 1026714797 is a prime.

It is a super-4 number, since 4×1026716845⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026716798 and 1026716807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187791 + ... + 193180.

It is an arithmetic number, because the mean of its divisors is an integer number (65146212).

Almost surely, 2^1026716845 is an apocalyptic number.

It is an amenable number.

1026716845 is a deficient number, since it is larger than the sum of its proper divisors (536792243).

1026716845 is a wasteful number, since it uses less digits than its factorization.

1026716845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381001 (or 380994 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1026716845 is about 32042.4225831943. The cubic root of 1026716845 is about 1008.8274616306.

The spelling of 1026716845 in words is "one billion, twenty-six million, seven hundred sixteen thousand, eight hundred forty-five".