8746510381 has 4 divisors (see below), whose sum is σ = 9996011872. Its totient is φ = 7497008892.

The previous prime is 8746510373. The next prime is 8746510391. The reversal of 8746510381 is 1830156478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1830156478 = 2 ⋅915078239.

It is a cyclic number.

It is not a de Polignac number, because 8746510381 - 2³ = 8746510373 is a prime.

It is a super-2 number, since 2×8746510381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8746510321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624750735 + ... + 624750748.

It is an arithmetic number, because the mean of its divisors is an integer number (2499002968).

Almost surely, 2^8746510381 is an apocalyptic number.

It is an amenable number.

8746510381 is a deficient number, since it is larger than the sum of its proper divisors (1249501491).

8746510381 is a wasteful number, since it uses less digits than its factorization.

8746510381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249501490.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8746510381 is about 93522.7800110754. The cubic root of 8746510381 is about 2060.3686760417.

The spelling of 8746510381 in words is "eight billion, seven hundred forty-six million, five hundred ten thousand, three hundred eighty-one".