8474512557 has 16 divisors (see below), whose sum is σ = 12928228992. Its totient is φ = 4837071360.

The previous prime is 8474512531. The next prime is 8474512561. The reversal of 8474512557 is 7552154748.

It is not a de Polignac number, because 8474512557 - 2²⁰ = 8473463981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474512517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210528 + ... + 247529.

It is an arithmetic number, because the mean of its divisors is an integer number (808014312).

Almost surely, 2^8474512557 is an apocalyptic number.

It is an amenable number.

8474512557 is a deficient number, since it is larger than the sum of its proper divisors (4453716435).

8474512557 is a wasteful number, since it uses less digits than its factorization.

8474512557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458948.

The product of its digits is 1568000, while the sum is 48.

The square root of 8474512557 is about 92057.1157325712. The cubic root of 8474512557 is about 2038.7856861540.

The spelling of 8474512557 in words is "eight billion, four hundred seventy-four million, five hundred twelve thousand, five hundred fifty-seven".