8397157466 has 16 divisors (see below), whose sum is σ = 13032714240. Its totient is φ = 4052978160.

The previous prime is 8397157451. The next prime is 8397157471. The reversal of 8397157466 is 6647517938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352175 + ... + 375261.

It is an arithmetic number, because the mean of its divisors is an integer number (814544640).

Almost surely, 2^8397157466 is an apocalyptic number.

8397157466 is a deficient number, since it is larger than the sum of its proper divisors (4635556774).

8397157466 is a wasteful number, since it uses less digits than its factorization.

8397157466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29389.

The product of its digits is 7620480, while the sum is 56.

The square root of 8397157466 is about 91636.0052926796. The cubic root of 8397157466 is about 2032.5633908396.

The spelling of 8397157466 in words is "eight billion, three hundred ninety-seven million, one hundred fifty-seven thousand, four hundred sixty-six".