85757177107 has 4 divisors (see below), whose sum is σ = 98008202416. Its totient is φ = 73506151800.

The previous prime is 85757177087. The next prime is 85757177173. The reversal of 85757177107 is 70177175758.

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

It is a cyclic number.

It is not a de Polignac number, because 85757177107 - 2³¹ = 83609693459 is a prime.

It is a super-2 number, since 2×85757177107² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85757177197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6125512644 + ... + 6125512657.

It is an arithmetic number, because the mean of its divisors is an integer number (24502050604).

Almost surely, 2^85757177107 is an apocalyptic number.

85757177107 is a deficient number, since it is larger than the sum of its proper divisors (12251025309).

85757177107 is a wasteful number, since it uses less digits than its factorization.

85757177107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251025308.

The product of its (nonzero) digits is 3361400, while the sum is 55.

The spelling of 85757177107 in words is "eighty-five billion, seven hundred fifty-seven million, one hundred seventy-seven thousand, one hundred seven".