82194678 has 24 divisors (see below), whose sum is σ = 178895808. Its totient is φ = 27274032.

The previous prime is 82194659. The next prime is 82194773. The reversal of 82194678 is 87649128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6225 + ... + 14252.

It is an arithmetic number, because the mean of its divisors is an integer number (7453992).

Almost surely, 2^82194678 is an apocalyptic number.

82194678 is an abundant number, since it is smaller than the sum of its proper divisors (96701130).

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

82194678 is a wasteful number, since it uses less digits than its factorization.

82194678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708 (or 20705 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 82194678 is about 9066.1280599824. The cubic root of 82194678 is about 434.7916878142.

The spelling of 82194678 in words is "eighty-two million, one hundred ninety-four thousand, six hundred seventy-eight".