86212804461 has 24 divisors (see below), whose sum is σ = 133920879840. Its totient is φ = 49189648032.

The previous prime is 86212804459. The next prime is 86212804471. The reversal of 86212804461 is 16440821268.

It is not a de Polignac number, because 86212804461 - 2¹ = 86212804459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86212804471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348106 + ... + 541851.

It is an arithmetic number, because the mean of its divisors is an integer number (5580036660).

Almost surely, 2^86212804461 is an apocalyptic number.

It is an amenable number.

86212804461 is a deficient number, since it is larger than the sum of its proper divisors (47708075379).

86212804461 is a wasteful number, since it uses less digits than its factorization.

86212804461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890633 (or 890626 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 86212804461 in words is "eighty-six billion, two hundred twelve million, eight hundred four thousand, four hundred sixty-one".