8967891472 has 20 divisors (see below), whose sum is σ = 18289779280. Its totient is φ = 4247948448.

The previous prime is 8967891463. The next prime is 8967891481. The reversal of 8967891472 is 2741987698.

It is an interprime number because it is at equal distance from previous prime (8967891463) and next prime (8967891481).

It is a self number, because there is not a number n which added to its sum of digits gives 8967891472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14749518 + ... + 14750125.

It is an arithmetic number, because the mean of its divisors is an integer number (914488964).

Almost surely, 2^8967891472 is an apocalyptic number.

It is an amenable number.

8967891472 is an abundant number, since it is smaller than the sum of its proper divisors (9321887808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8967891472 is a wasteful number, since it uses less digits than its factorization.

8967891472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29499670 (or 29499664 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 61.

The square root of 8967891472 is about 94698.9517999011. The cubic root of 8967891472 is about 2077.6072299931.

The spelling of 8967891472 in words is "eight billion, nine hundred sixty-seven million, eight hundred ninety-one thousand, four hundred seventy-two".