8954987231 has 4 divisors (see below), whose sum is σ = 9163242792. Its totient is φ = 8746731672.

The previous prime is 8954987179. The next prime is 8954987273. The reversal of 8954987231 is 1327894598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327894598 = 2 ⋅663947299.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8954987231 is a prime.

It is a super-2 number, since 2×8954987231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8954987281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104127716 + ... + 104127801.

It is an arithmetic number, because the mean of its divisors is an integer number (2290810698).

Almost surely, 2^8954987231 is an apocalyptic number.

8954987231 is a deficient number, since it is larger than the sum of its proper divisors (208255561).

8954987231 is a wasteful number, since it uses less digits than its factorization.

8954987231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208255560.

The product of its digits is 4354560, while the sum is 56.

The square root of 8954987231 is about 94630.7943060820. The cubic root of 8954987231 is about 2076.6102355470.

The spelling of 8954987231 in words is "eight billion, nine hundred fifty-four million, nine hundred eighty-seven thousand, two hundred thirty-one".