82908101 has 4 divisors (see below), whose sum is σ = 82929900. Its totient is φ = 82886304.

The previous prime is 82908073. The next prime is 82908121. The reversal of 82908101 is 10180928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45576001 + 37332100 = 6751^2 + 6110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82908101 is a prime.

It is a super-2 number, since 2×82908101² = 13747506422852402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82908121) 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 3 ways as a sum of consecutive naturals, for example, 3536 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (20732475).

Almost surely, 2^82908101 is an apocalyptic number.

It is an amenable number.

82908101 is a deficient number, since it is larger than the sum of its proper divisors (21799).

82908101 is a wasteful number, since it uses less digits than its factorization.

82908101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21798.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 82908101 is about 9105.3885694132. The cubic root of 82908101 is about 436.0460157504.

The spelling of 82908101 in words is "eighty-two million, nine hundred eight thousand, one hundred one".