82852978 has 16 divisors (see below), whose sum is σ = 134280216. Its totient is φ = 38113920.

The previous prime is 82852943. The next prime is 82852981. The reversal of 82852978 is 87925828.

It can be written as a sum of positive squares in 4 ways, for example, as 32684089 + 50168889 = 5717^2 + 7083^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048 + ... + 13228.

Almost surely, 2^82852978 is an apocalyptic number.

82852978 is a deficient number, since it is larger than the sum of its proper divisors (51427238).

82852978 is a wasteful number, since it uses less digits than its factorization.

82852978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509.

The product of its digits is 645120, while the sum is 49.

The square root of 82852978 is about 9102.3611222583. The cubic root of 82852978 is about 435.9493565452.

The spelling of 82852978 in words is "eighty-two million, eight hundred fifty-two thousand, nine hundred seventy-eight".