86491000612 has 6 divisors (see below), whose sum is σ = 151359251078. Its totient is φ = 43245500304.

The previous prime is 86491000591. The next prime is 86491000699. The reversal of 86491000612 is 21600019468.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69941207296 + 16549793316 = 264464^2 + 128646^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10811375073 + ... + 10811375080.

Almost surely, 2^86491000612 is an apocalyptic number.

It is an amenable number.

86491000612 is a deficient number, since it is larger than the sum of its proper divisors (64868250466).

86491000612 is a wasteful number, since it uses less digits than its factorization.

86491000612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622750157 (or 21622750155 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 86491000612 in words is "eighty-six billion, four hundred ninety-one million, six hundred twelve", and thus it is an aban number.