8197457472 has 224 divisors, whose sum is σ = 25080407040. Its totient is φ = 2622689280.

The previous prime is 8197457461. The next prime is 8197457507. The reversal of 8197457472 is 2747547918.

8197457472 is a `hidden beast` number, since 81 + 97 + 4 + 5 + 7 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7338258 + ... + 7339374.

Almost surely, 2^8197457472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8197457472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12540203520).

8197457472 is an abundant number, since it is smaller than the sum of its proper divisors (16882949568).

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

8197457472 is a wasteful number, since it uses less digits than its factorization.

8197457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1290 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 8197457472 is about 90539.8115306189. The cubic root of 8197457472 is about 2016.3212356587.

The spelling of 8197457472 in words is "eight billion, one hundred ninety-seven million, four hundred fifty-seven thousand, four hundred seventy-two".