82955985 has 16 divisors (see below), whose sum is σ = 151691136. Its totient is φ = 37922688.

The previous prime is 82955981. The next prime is 82955989. The reversal of 82955985 is 58955928.

It is an interprime number because it is at equal distance from previous prime (82955981) and next prime (82955989).

It is not a de Polignac number, because 82955985 - 2² = 82955981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82955981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394924 + ... + 395133.

It is an arithmetic number, because the mean of its divisors is an integer number (9480696).

Almost surely, 2^82955985 is an apocalyptic number.

It is an amenable number.

82955985 is a deficient number, since it is larger than the sum of its proper divisors (68735151).

82955985 is a wasteful number, since it uses less digits than its factorization.

82955985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790072.

The product of its digits is 1296000, while the sum is 51.

The square root of 82955985 is about 9108.0176218538. The cubic root of 82955985 is about 436.1299464671.

The spelling of 82955985 in words is "eighty-two million, nine hundred fifty-five thousand, nine hundred eighty-five".