82878546 has 16 divisors (see below), whose sum is σ = 167467104. Its totient is φ = 27341184.

The previous prime is 82878527. The next prime is 82878547. The reversal of 82878546 is 64587828.

It is a junction number, because it is equal to n+sod(n) for n = 82878495 and 82878504.

It is not an unprimeable number, because it can be changed into a prime (82878547) 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, 70620 + ... + 71783.

It is an arithmetic number, because the mean of its divisors is an integer number (10466694).

Almost surely, 2^82878546 is an apocalyptic number.

82878546 is an abundant number, since it is smaller than the sum of its proper divisors (84588558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82878546 is a wasteful number, since it uses less digits than its factorization.

82878546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142505.

The product of its digits is 860160, while the sum is 48.

The square root of 82878546 is about 9103.7654846772. The cubic root of 82878546 is about 435.9941958378.

The spelling of 82878546 in words is "eighty-two million, eight hundred seventy-eight thousand, five hundred forty-six".