8457223437 has 24 divisors (see below), whose sum is σ = 13848088800. Its totient is φ = 4930525728.

The previous prime is 8457223417. The next prime is 8457223447. The reversal of 8457223437 is 7343227548.

It is not a de Polignac number, because 8457223437 - 2⁶ = 8457223373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8457223392 and 8457223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457223417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899987 + ... + 1904432.

It is an arithmetic number, because the mean of its divisors is an integer number (577003700).

Almost surely, 2^8457223437 is an apocalyptic number.

It is an amenable number.

8457223437 is a deficient number, since it is larger than the sum of its proper divisors (5390865363).

8457223437 is a wasteful number, since it uses less digits than its factorization.

8457223437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804457 (or 3804454 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 8457223437 is about 91963.1634786451. The cubic root of 8457223437 is about 2037.3982785956.

The spelling of 8457223437 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-three thousand, four hundred thirty-seven".