9670387861 has 8 divisors (see below), whose sum is σ = 9836134560. Its totient is φ = 9504702672.

The previous prime is 9670387843. The next prime is 9670387871. The reversal of 9670387861 is 1687830769.

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 9670387861 - 2¹⁷ = 9670256789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9670387871) 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 7 ways as a sum of consecutive naturals, for example, 394191 + ... + 418003.

It is an arithmetic number, because the mean of its divisors is an integer number (1229516820).

Almost surely, 2^9670387861 is an apocalyptic number.

It is an amenable number.

9670387861 is a deficient number, since it is larger than the sum of its proper divisors (165746699).

9670387861 is a wasteful number, since it uses less digits than its factorization.

9670387861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30755.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 9670387861 is about 98338.1302496646. The cubic root of 9670387861 is about 2130.4988186438.

The spelling of 9670387861 in words is "nine billion, six hundred seventy million, three hundred eighty-seven thousand, eight hundred sixty-one".