8416732957 has 4 divisors (see below), whose sum is σ = 8424977596. Its totient is φ = 8408488320.

The previous prime is 8416732927. The next prime is 8416732967. The reversal of 8416732957 is 7592376148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2769811641 + 5646921316 = 52629^2 + 75146^2 .

It is a cyclic number.

It is not a de Polignac number, because 8416732957 - 2⁷ = 8416732829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8416732927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120788 + ... + 4122829.

It is an arithmetic number, because the mean of its divisors is an integer number (2106244399).

Almost surely, 2^8416732957 is an apocalyptic number.

It is an amenable number.

8416732957 is a deficient number, since it is larger than the sum of its proper divisors (8244639).

8416732957 is a wasteful number, since it uses less digits than its factorization.

8416732957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244638.

The product of its digits is 2540160, while the sum is 52.

The square root of 8416732957 is about 91742.7542479514. The cubic root of 8416732957 is about 2034.1416053797.

The spelling of 8416732957 in words is "eight billion, four hundred sixteen million, seven hundred thirty-two thousand, nine hundred fifty-seven".