85417614787 has 16 divisors (see below), whose sum is σ = 89101797120. Its totient is φ = 81835639200.

The previous prime is 85417614769. The next prime is 85417614823. The reversal of 85417614787 is 78741671458.

It is a cyclic number.

It is not a de Polignac number, because 85417614787 - 2¹¹ = 85417612739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85417614757) 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, 240664 + ... + 478282.

It is an arithmetic number, because the mean of its divisors is an integer number (5568862320).

Almost surely, 2^85417614787 is an apocalyptic number.

85417614787 is a deficient number, since it is larger than the sum of its proper divisors (3684182333).

85417614787 is a wasteful number, since it uses less digits than its factorization.

85417614787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237834.

The product of its digits is 10536960, while the sum is 58.

The spelling of 85417614787 in words is "eighty-five billion, four hundred seventeen million, six hundred fourteen thousand, seven hundred eighty-seven".