85517315707 has 8 divisors (see below), whose sum is σ = 90061360400. Its totient is φ = 80977584384.

The previous prime is 85517315677. The next prime is 85517315713. The reversal of 85517315707 is 70751371558.

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

It is a cyclic number.

It is not a de Polignac number, because 85517315707 - 2¹⁹ = 85516791419 is a prime.

It is a super-2 number, since 2×85517315707² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85517315407) 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, 1037598 + ... + 1116979.

It is an arithmetic number, because the mean of its divisors is an integer number (11257670050).

Almost surely, 2^85517315707 is an apocalyptic number.

85517315707 is a deficient number, since it is larger than the sum of its proper divisors (4544044693).

85517315707 is a wasteful number, since it uses less digits than its factorization.

85517315707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156685.

The product of its (nonzero) digits is 1029000, while the sum is 49.

The spelling of 85517315707 in words is "eighty-five billion, five hundred seventeen million, three hundred fifteen thousand, seven hundred seven".