86746531775 has 6 divisors (see below), whose sum is σ = 107565699432. Its totient is φ = 69397225400.

The previous prime is 86746531763. The next prime is 86746531777. The reversal of 86746531775 is 57713564768.

It is not a de Polignac number, because 86746531775 - 2⁴ = 86746531759 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 (86746531777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1734930611 + ... + 1734930660.

It is an arithmetic number, because the mean of its divisors is an integer number (17927616572).

Almost surely, 2^86746531775 is an apocalyptic number.

86746531775 is a deficient number, since it is larger than the sum of its proper divisors (20819167657).

86746531775 is a wasteful number, since it uses less digits than its factorization.

86746531775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469861281 (or 3469861276 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 59.

The spelling of 86746531775 in words is "eighty-six billion, seven hundred forty-six million, five hundred thirty-one thousand, seven hundred seventy-five".