82810755 has 32 divisors (see below), whose sum is σ = 149056320. Its totient is φ = 44159904.

The previous prime is 82810753. The next prime is 82810769. The reversal of 82810755 is 55701828.

It is not a de Polignac number, because 82810755 - 2¹ = 82810753 is a prime.

It is a super-2 number, since 2×82810755² = 13715242287340050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82810753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7149 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (4658010).

Almost surely, 2^82810755 is an apocalyptic number.

82810755 is a deficient number, since it is larger than the sum of its proper divisors (66245565).

82810755 is an frugal number, since it uses more digits than its factorization.

82810755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 7581 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 82810755 is about 9100.0414834219. The cubic root of 82810755 is about 435.8752887291.

The spelling of 82810755 in words is "eighty-two million, eight hundred ten thousand, seven hundred fifty-five".