86662294821 has 8 divisors (see below), whose sum is σ = 128388584960. Its totient is φ = 57774863196.

The previous prime is 86662294813. The next prime is 86662294837. The reversal of 86662294821 is 12849226668.

It is not a de Polignac number, because 86662294821 - 2³ = 86662294813 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 (86662294801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604857285 + ... + 1604857338.

It is an arithmetic number, because the mean of its divisors is an integer number (16048573120).

Almost surely, 2^86662294821 is an apocalyptic number.

It is an amenable number.

86662294821 is a deficient number, since it is larger than the sum of its proper divisors (41726290139).

86662294821 is a wasteful number, since it uses less digits than its factorization.

86662294821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209714632 (or 3209714626 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 86662294821 in words is "eighty-six billion, six hundred sixty-two million, two hundred ninety-four thousand, eight hundred twenty-one".