83682643512 has 32 divisors (see below), whose sum is σ = 225299425680. Its totient is φ = 25748505600.

The previous prime is 83682643511. The next prime is 83682643591. The reversal of 83682643512 is 21534628638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83682643511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134106489 + ... + 134107112.

Almost surely, 2^83682643512 is an apocalyptic number.

It is an amenable number.

83682643512 is an abundant number, since it is smaller than the sum of its proper divisors (141616782168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83682643512 is a wasteful number, since it uses less digits than its factorization.

83682643512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268213623 (or 268213619 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 83682643512 in words is "eighty-three billion, six hundred eighty-two million, six hundred forty-three thousand, five hundred twelve".