85714852507 has 4 divisors (see below), whose sum is σ = 86799850720. Its totient is φ = 84629854296.

The previous prime is 85714852493. The next prime is 85714852529. The reversal of 85714852507 is 70525841758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85714852507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85714852007) 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 3 ways as a sum of consecutive naturals, for example, 542498988 + ... + 542499145.

It is an arithmetic number, because the mean of its divisors is an integer number (21699962680).

Almost surely, 2^85714852507 is an apocalyptic number.

85714852507 is a deficient number, since it is larger than the sum of its proper divisors (1084998213).

85714852507 is a wasteful number, since it uses less digits than its factorization.

85714852507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084998212.

The product of its (nonzero) digits is 3136000, while the sum is 52.

The spelling of 85714852507 in words is "eighty-five billion, seven hundred fourteen million, eight hundred fifty-two thousand, five hundred seven".