83686278252 has 24 divisors (see below), whose sum is σ = 195272659456. Its totient is φ = 27894757968.

The previous prime is 83686278241. The next prime is 83686278281. The reversal of 83686278252 is 25287268638.

It is a junction number, because it is equal to n+sod(n) for n = 83686278192 and 83686278201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948573 + ... + 1033035.

Almost surely, 2^83686278252 is an apocalyptic number.

It is an amenable number.

83686278252 is an abundant number, since it is smaller than the sum of its proper divisors (111586381204).

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

83686278252 is a wasteful number, since it uses less digits than its factorization.

83686278252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167037 (or 167035 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 83686278252 in words is "eighty-three billion, six hundred eighty-six million, two hundred seventy-eight thousand, two hundred fifty-two".