82978941 has 8 divisors (see below), whose sum is σ = 111779584. Its totient is φ = 54748800.

The previous prime is 82978939. The next prime is 82978967. The reversal of 82978941 is 14987928.

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

It is not a de Polignac number, because 82978941 - 2¹ = 82978939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82978991) 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, 142285 + ... + 142866.

It is an arithmetic number, because the mean of its divisors is an integer number (13972448).

Almost surely, 2^82978941 is an apocalyptic number.

It is an amenable number.

82978941 is a deficient number, since it is larger than the sum of its proper divisors (28800643).

82978941 is a wasteful number, since it uses less digits than its factorization.

82978941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285251.

The product of its digits is 290304, while the sum is 48.

The square root of 82978941 is about 9109.2777430486. The cubic root of 82978941 is about 436.1701721188.

The spelling of 82978941 in words is "eighty-two million, nine hundred seventy-eight thousand, nine hundred forty-one".