8456531057 has 8 divisors (see below), whose sum is σ = 9108106560. Its totient is φ = 7805108880.

The previous prime is 8456531053. The next prime is 8456531087. The reversal of 8456531057 is 7501356548.

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 8456531057 - 2² = 8456531053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8456530999 and 8456531017.

It is not an unprimeable number, because it can be changed into a prime (8456531053) 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, 92882 + ... + 159812.

It is an arithmetic number, because the mean of its divisors is an integer number (1138513320).

Almost surely, 2^8456531057 is an apocalyptic number.

It is an amenable number.

8456531057 is a deficient number, since it is larger than the sum of its proper divisors (651575503).

8456531057 is a wasteful number, since it uses less digits than its factorization.

8456531057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76663.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 8456531057 is about 91959.3989595408. The cubic root of 8456531057 is about 2037.3426775138.

The spelling of 8456531057 in words is "eight billion, four hundred fifty-six million, five hundred thirty-one thousand, fifty-seven".