82775030 has 16 divisors (see below), whose sum is σ = 160456464. Its totient is φ = 30563040.

The previous prime is 82775009. The next prime is 82775051. The reversal of 82775030 is 3057728.

It is an interprime number because it is at equal distance from previous prime (82775009) and next prime (82775051).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318236 + ... + 318495.

It is an arithmetic number, because the mean of its divisors is an integer number (10028529).

Almost surely, 2^82775030 is an apocalyptic number.

82775030 is a deficient number, since it is larger than the sum of its proper divisors (77681434).

82775030 is a wasteful number, since it uses less digits than its factorization.

82775030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636751.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 82775030 is about 9098.0783685348. The cubic root of 82775030 is about 435.8126000745.

It can be divided in two parts, 827 and 75030, that added together give a palindrome (75857).

The spelling of 82775030 in words is "eighty-two million, seven hundred seventy-five thousand, thirty".