8432684057 has 12 divisors (see below), whose sum is σ = 9904692096. Its totient is φ = 7157835720.

The previous prime is 8432684047. The next prime is 8432684087. The reversal of 8432684057 is 7504862348.

It is not a de Polignac number, because 8432684057 - 2²² = 8428489753 is a prime.

It is a super-2 number, since 2×8432684057² (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 (8432684047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830369 + ... + 840462.

It is an arithmetic number, because the mean of its divisors is an integer number (825391008).

Almost surely, 2^8432684057 is an apocalyptic number.

It is an amenable number.

8432684057 is a deficient number, since it is larger than the sum of its proper divisors (1472008039).

8432684057 is a wasteful number, since it uses less digits than its factorization.

8432684057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670948 (or 1670941 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 8432684057 is about 91829.6469393191. The cubic root of 8432684057 is about 2035.4258059729.

The spelling of 8432684057 in words is "eight billion, four hundred thirty-two million, six hundred eighty-four thousand, fifty-seven".