86864473566608 has 10 divisors (see below), whose sum is σ = 168299917535334. Its totient is φ = 43432236783296.

The previous prime is 86864473566583. The next prime is 86864473566623. The reversal of 86864473566608 is 80666537446868.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80865559830784 + 5998913735824 = 8992528^2 + 2449268^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714514798941 + ... + 2714514798972.

Almost surely, 2^{86864473566608} is an apocalyptic number.

It is an amenable number.

86864473566608 is a deficient number, since it is larger than the sum of its proper divisors (81435443968726).

86864473566608 is a wasteful number, since it uses less digits than its factorization.

86864473566608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429029597921 (or 5429029597915 counting only the distinct ones).

The product of its (nonzero) digits is 6688604160, while the sum is 77.

The spelling of 86864473566608 in words is "eighty-six trillion, eight hundred sixty-four billion, four hundred seventy-three million, five hundred sixty-six thousand, six hundred eight".