82146988 has 24 divisors (see below), whose sum is σ = 179230464. Its totient is φ = 32005200.

The previous prime is 82146971. The next prime is 82146991. The reversal of 82146988 is 88964128.

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, 133048 + ... + 133663.

It is an arithmetic number, because the mean of its divisors is an integer number (7467936).

Almost surely, 2^82146988 is an apocalyptic number.

It is an amenable number.

82146988 is an abundant number, since it is smaller than the sum of its proper divisors (97083476).

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

82146988 is a wasteful number, since it uses less digits than its factorization.

82146988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266733 (or 266731 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 82146988 is about 9063.4975588897. The cubic root of 82146988 is about 434.7075816910.

The spelling of 82146988 in words is "eighty-two million, one hundred forty-six thousand, nine hundred eighty-eight".