8026465781 has 8 divisors (see below), whose sum is σ = 8385210624. Its totient is φ = 7673960160.

The previous prime is 8026465763. The next prime is 8026465813. The reversal of 8026465781 is 1875646208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8026465781 - 2¹⁰ = 8026464757 is a prime.

It is a super-2 number, since 2×8026465781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8026465751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557176 + ... + 1562321.

It is an arithmetic number, because the mean of its divisors is an integer number (1048151328).

Almost surely, 2^8026465781 is an apocalyptic number.

It is an amenable number.

8026465781 is a deficient number, since it is larger than the sum of its proper divisors (358744843).

8026465781 is a wasteful number, since it uses less digits than its factorization.

8026465781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119611.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8026465781 is about 89590.5451540507. The cubic root of 8026465781 is about 2002.2030541352.

The spelling of 8026465781 in words is "eight billion, twenty-six million, four hundred sixty-five thousand, seven hundred eighty-one".