86485541777 has 4 divisors (see below), whose sum is σ = 87670275300. Its totient is φ = 85300808256.

The previous prime is 86485541773. The next prime is 86485541789. The reversal of 86485541777 is 77714558468.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49604643841 + 36880897936 = 222721^2 + 192044^2 .

It is a cyclic number.

It is not a de Polignac number, because 86485541777 - 2² = 86485541773 is a prime.

It is a super-2 number, since 2×86485541777² (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 (86485541771) 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, 592366652 + ... + 592366797.

It is an arithmetic number, because the mean of its divisors is an integer number (21917568825).

Almost surely, 2^86485541777 is an apocalyptic number.

It is an amenable number.

86485541777 is a deficient number, since it is larger than the sum of its proper divisors (1184733523).

86485541777 is a wasteful number, since it uses less digits than its factorization.

86485541777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184733522.

The product of its digits is 52684800, while the sum is 62.

The spelling of 86485541777 in words is "eighty-six billion, four hundred eighty-five million, five hundred forty-one thousand, seven hundred seventy-seven".