82378952448 has 72 divisors (see below), whose sum is σ = 236113420368. Its totient is φ = 25347366912.

The previous prime is 82378952407. The next prime is 82378952449. The reversal of 82378952448 is 84425987328.

It is a super-3 number, since 3×82378952448³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82378952391 and 82378952400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378952449) 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, 4115565 + ... + 4135532.

Almost surely, 2^82378952448 is an apocalyptic number.

It is an amenable number.

82378952448 is an abundant number, since it is smaller than the sum of its proper divisors (153734467920).

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

82378952448 is a wasteful number, since it uses less digits than its factorization.

82378952448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251129 (or 8251115 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 82378952448 in words is "eighty-two billion, three hundred seventy-eight million, nine hundred fifty-two thousand, four hundred forty-eight".