8971893694 has 4 divisors (see below), whose sum is σ = 13457840544. Its totient is φ = 4485946846.

The previous prime is 8971893691. The next prime is 8971893703. The reversal of 8971893694 is 4963981798.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971893691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242973422 + ... + 2242973425.

It is an arithmetic number, because the mean of its divisors is an integer number (3364460136).

Almost surely, 2^8971893694 is an apocalyptic number.

8971893694 is a deficient number, since it is larger than the sum of its proper divisors (4485946850).

8971893694 is a wasteful number, since it uses less digits than its factorization.

8971893694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485946849.

The product of its digits is 23514624, while the sum is 64.

The square root of 8971893694 is about 94720.0807326514. The cubic root of 8971893694 is about 2077.9162513031.

The spelling of 8971893694 in words is "eight billion, nine hundred seventy-one million, eight hundred ninety-three thousand, six hundred ninety-four".