82853978 has 8 divisors (see below), whose sum is σ = 125983668. Its totient is φ = 40859424.

The previous prime is 82853951. The next prime is 82853987. The reversal of 82853978 is 87935828.

It can be written as a sum of positive squares in 2 ways, for example, as 70442449 + 12411529 = 8393^2 + 3523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283601 + ... + 283892.

Almost surely, 2^82853978 is an apocalyptic number.

82853978 is a deficient number, since it is larger than the sum of its proper divisors (43129690).

82853978 is a wasteful number, since it uses less digits than its factorization.

82853978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567568.

The product of its digits is 967680, while the sum is 50.

The square root of 82853978 is about 9102.4160528950. The cubic root of 82853978 is about 435.9511104455.

The spelling of 82853978 in words is "eighty-two million, eight hundred fifty-three thousand, nine hundred seventy-eight".