8456437120537 has 16 divisors (see below), whose sum is σ = 10324995619840. Its totient is φ = 6764390498448.

The previous prime is 8456437120511. The next prime is 8456437120561. The reversal of 8456437120537 is 7350217346548.

It is a cyclic number.

It is not a de Polignac number, because 8456437120537 - 2¹⁹ = 8456436596249 is a prime.

It is a super-2 number, since 2×8456437120537² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8456437120037) 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, 474485373 + ... + 474503194.

It is an arithmetic number, because the mean of its divisors is an integer number (645312226240).

Almost surely, 2^{8456437120537} is an apocalyptic number.

It is an amenable number.

8456437120537 is a deficient number, since it is larger than the sum of its proper divisors (1868558499303).

8456437120537 is a wasteful number, since it uses less digits than its factorization.

8456437120537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948988660.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 8456437120537 in words is "eight trillion, four hundred fifty-six billion, four hundred thirty-seven million, one hundred twenty thousand, five hundred thirty-seven".