82108470 has 32 divisors (see below), whose sum is σ = 208653408. Its totient is φ = 20607488.

The previous prime is 82108451. The next prime is 82108489. The reversal of 82108470 is 7480128.

It is an interprime number because it is at equal distance from previous prime (82108451) and next prime (82108489).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79989 + ... + 81008.

It is an arithmetic number, because the mean of its divisors is an integer number (6520419).

Almost surely, 2^82108470 is an apocalyptic number.

82108470 is an abundant number, since it is smaller than the sum of its proper divisors (126544938).

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

82108470 is a wasteful number, since it uses less digits than its factorization.

82108470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161024.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82108470 is about 9061.3724126095. The cubic root of 82108470 is about 434.6396275486.

Adding to 82108470 its reverse (7480128), we get a palindrome (89588598).

The spelling of 82108470 in words is "eighty-two million, one hundred eight thousand, four hundred seventy".