8781038161 has 8 divisors (see below), whose sum is σ = 10037338560. Its totient is φ = 7525204368.

The previous prime is 8781038159. The next prime is 8781038171. The reversal of 8781038161 is 1618301878.

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 8781038161 - 2¹ = 8781038159 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8781038111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75346 + ... + 152443.

It is an arithmetic number, because the mean of its divisors is an integer number (1254667320).

Almost surely, 2^8781038161 is an apocalyptic number.

It is an amenable number.

8781038161 is a deficient number, since it is larger than the sum of its proper divisors (1256300399).

8781038161 is a wasteful number, since it uses less digits than its factorization.

8781038161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233303.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 8781038161 is about 93707.1937526677. The cubic root of 8781038161 is about 2063.0762911241.

The spelling of 8781038161 in words is "eight billion, seven hundred eighty-one million, thirty-eight thousand, one hundred sixty-one".