8507400005 has 54 divisors (see below), whose sum is σ = 11737309266. Its totient is φ = 5916096576.

The previous prime is 8507399959. The next prime is 8507400019. The reversal of 8507400005 is 5000047058.

It can be written as a sum of positive squares in 3 ways, for example, as 40271716 + 8467128289 = 6346^2 + 92017^2 .

It is not a de Polignac number, because 8507400005 - 2¹⁰ = 8507398981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 50942432 + ... + 50942598.

It is an arithmetic number, because the mean of its divisors is an integer number (217357579).

Almost surely, 2^8507400005 is an apocalyptic number.

It is an amenable number.

8507400005 is a deficient number, since it is larger than the sum of its proper divisors (3229909261).

8507400005 is a wasteful number, since it uses less digits than its factorization.

8507400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 8507400005 is about 92235.5680038888. The cubic root of 8507400005 is about 2041.4196197280.

The spelling of 8507400005 in words is "eight billion, five hundred seven million, four hundred thousand, five".