78895982 has 16 divisors (see below), whose sum is σ = 130660992. Its totient is φ = 35428920.

The previous prime is 78895937. The next prime is 78896009. The reversal of 78895982 is 28959887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19778 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (8166312).

Almost surely, 2^78895982 is an apocalyptic number.

78895982 is a deficient number, since it is larger than the sum of its proper divisors (51765010).

78895982 is a wasteful number, since it uses less digits than its factorization.

78895982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43303.

The product of its digits is 2903040, while the sum is 56.

The square root of 78895982 is about 8882.3410202491. The cubic root of 78895982 is about 428.8956373556.

The spelling of 78895982 in words is "seventy-eight million, eight hundred ninety-five thousand, nine hundred eighty-two".