82086878 has 16 divisors (see below), whose sum is σ = 134082000. Its totient is φ = 37541952.

The previous prime is 82086817. The next prime is 82086881. The reversal of 82086878 is 87868028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36143 + ... + 38346.

It is an arithmetic number, because the mean of its divisors is an integer number (8380125).

Almost surely, 2^82086878 is an apocalyptic number.

82086878 is a deficient number, since it is larger than the sum of its proper divisors (51995122).

82086878 is a wasteful number, since it uses less digits than its factorization.

82086878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74539.

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 82086878 is about 9060.1809032712. The cubic root of 82086878 is about 434.6015252611.

The spelling of 82086878 in words is "eighty-two million, eighty-six thousand, eight hundred seventy-eight".