86789993212 has 48 divisors (see below), whose sum is σ = 164569697152. Its totient is φ = 39811461120.

The previous prime is 86789993159. The next prime is 86789993249. The reversal of 86789993212 is 21239998768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12411037 + ... + 12418027.

Almost surely, 2^86789993212 is an apocalyptic number.

It is an amenable number.

86789993212 is a deficient number, since it is larger than the sum of its proper divisors (77779703940).

86789993212 is a wasteful number, since it uses less digits than its factorization.

86789993212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438 (or 8436 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 64.

The spelling of 86789993212 in words is "eighty-six billion, seven hundred eighty-nine million, nine hundred ninety-three thousand, two hundred twelve".