85718437107 has 8 divisors (see below), whose sum is σ = 114308931984. Its totient is φ = 57136783488.

The previous prime is 85718437099. The next prime is 85718437109. The reversal of 85718437107 is 70173481758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85718437107 - 2³ = 85718437099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85718437107.

It is not an unprimeable number, because it can be changed into a prime (85718437109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187658 + ... + 2226495.

It is an arithmetic number, because the mean of its divisors is an integer number (14288616498).

Almost surely, 2^85718437107 is an apocalyptic number.

85718437107 is a deficient number, since it is larger than the sum of its proper divisors (28590494877).

85718437107 is a wasteful number, since it uses less digits than its factorization.

85718437107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420629.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 85718437107 in words is "eighty-five billion, seven hundred eighteen million, four hundred thirty-seven thousand, one hundred seven".