8887973943 has 16 divisors (see below), whose sum is σ = 11986777440. Its totient is φ = 5857627776.

The previous prime is 8887973933. The next prime is 8887973953. The reversal of 8887973943 is 3493797888.

It is an interprime number because it is at equal distance from previous prime (8887973933) and next prime (8887973953).

It is not a de Polignac number, because 8887973943 - 2⁶ = 8887973879 is a prime.

It is a super-2 number, since 2×8887973943² (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 (8887973923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44893 + ... + 140681.

It is an arithmetic number, because the mean of its divisors is an integer number (749173590).

Almost surely, 2^8887973943 is an apocalyptic number.

8887973943 is a deficient number, since it is larger than the sum of its proper divisors (3098803497).

8887973943 is a wasteful number, since it uses less digits than its factorization.

8887973943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96146.

The product of its digits is 73156608, while the sum is 66.

The square root of 8887973943 is about 94276.0518000197. The cubic root of 8887973943 is about 2071.4172611237.

The spelling of 8887973943 in words is "eight billion, eight hundred eighty-seven million, nine hundred seventy-three thousand, nine hundred forty-three".