82629717 has 4 divisors (see below), whose sum is σ = 110172960. Its totient is φ = 55086476.

The previous prime is 82629697. The next prime is 82629721. The reversal of 82629717 is 71792628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82629717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82629517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13771617 + ... + 13771622.

It is an arithmetic number, because the mean of its divisors is an integer number (27543240).

Almost surely, 2^82629717 is an apocalyptic number.

It is an amenable number.

82629717 is a deficient number, since it is larger than the sum of its proper divisors (27543243).

82629717 is a wasteful number, since it uses less digits than its factorization.

82629717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27543242.

The product of its digits is 84672, while the sum is 42.

The square root of 82629717 is about 9090.0889434592. The cubic root of 82629717 is about 435.5574251702.

The spelling of 82629717 in words is "eighty-two million, six hundred twenty-nine thousand, seven hundred seventeen".