8484640457 has 8 divisors (see below), whose sum is σ = 8522972832. Its totient is φ = 8446334400.

The previous prime is 8484640447. The next prime is 8484640469. The reversal of 8484640457 is 7540464848.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8484640457 - 2⁶ = 8484640393 is a prime.

It is a super-2 number, since 2×8484640457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8484640447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937082 + ... + 946092.

It is an arithmetic number, because the mean of its divisors is an integer number (1065371604).

Almost surely, 2^8484640457 is an apocalyptic number.

It is an amenable number.

8484640457 is a deficient number, since it is larger than the sum of its proper divisors (38332375).

8484640457 is a wasteful number, since it uses less digits than its factorization.

8484640457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13159.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The square root of 8484640457 is about 92112.1080911733. The cubic root of 8484640457 is about 2039.5975478841.

The spelling of 8484640457 in words is "eight billion, four hundred eighty-four million, six hundred forty thousand, four hundred fifty-seven".