85704713677 has 16 divisors (see below), whose sum is σ = 99017252352. Its totient is φ = 73413497520.

The previous prime is 85704713671. The next prime is 85704713707. The reversal of 85704713677 is 77631740758.

It is a de Polignac number, because none of the positive numbers 2^k-85704713677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85704713671) 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, 2511063 + ... + 2544964.

It is an arithmetic number, because the mean of its divisors is an integer number (6188578272).

Almost surely, 2^85704713677 is an apocalyptic number.

It is an amenable number.

85704713677 is a deficient number, since it is larger than the sum of its proper divisors (13312538675).

85704713677 is a wasteful number, since it uses less digits than its factorization.

85704713677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056128.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 85704713677 in words is "eighty-five billion, seven hundred four million, seven hundred thirteen thousand, six hundred seventy-seven".