82355770 has 48 divisors (see below), whose sum is σ = 173894688. Its totient is φ = 27998880.

The previous prime is 82355759. The next prime is 82355771. The reversal of 82355770 is 7755328.

It is not an unprimeable number, because it can be changed into a prime (82355771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63549 + ... + 64831.

It is an arithmetic number, because the mean of its divisors is an integer number (3622806).

Almost surely, 2^82355770 is an apocalyptic number.

82355770 is an abundant number, since it is smaller than the sum of its proper divisors (91538918).

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

82355770 is a wasteful number, since it uses less digits than its factorization.

82355770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 82355770 is about 9075.0079889772. The cubic root of 82355770 is about 435.0755494799.

The spelling of 82355770 in words is "eighty-two million, three hundred fifty-five thousand, seven hundred seventy".