86543984764 has 12 divisors (see below), whose sum is σ = 156337521088. Its totient is φ = 41876121600.

The previous prime is 86543984759. The next prime is 86543984767. The reversal of 86543984764 is 46748934568.

It is a super-2 number, since 2×86543984764² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86543984696 and 86543984705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86543984767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348967557 + ... + 348967804.

Almost surely, 2^86543984764 is an apocalyptic number.

It is an amenable number.

86543984764 is a deficient number, since it is larger than the sum of its proper divisors (69793536324).

86543984764 is a wasteful number, since it uses less digits than its factorization.

86543984764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697935396 (or 697935394 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

The spelling of 86543984764 in words is "eighty-six billion, five hundred forty-three million, nine hundred eighty-four thousand, seven hundred sixty-four".