86672275221 has 16 divisors (see below), whose sum is σ = 133555996800. Its totient is φ = 48970530048.

The previous prime is 86672275219. The next prime is 86672275237. The reversal of 86672275221 is 12257227668.

It is not a de Polignac number, because 86672275221 - 2¹ = 86672275219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86672275271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23184936 + ... + 23188673.

It is an arithmetic number, because the mean of its divisors is an integer number (8347249800).

Almost surely, 2^86672275221 is an apocalyptic number.

It is an amenable number.

86672275221 is a deficient number, since it is larger than the sum of its proper divisors (46883721579).

86672275221 is a wasteful number, since it uses less digits than its factorization.

86672275221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46373708.

The product of its digits is 1128960, while the sum is 48.

The spelling of 86672275221 in words is "eighty-six billion, six hundred seventy-two million, two hundred seventy-five thousand, two hundred twenty-one".