82688702 has 8 divisors (see below), whose sum is σ = 124457256. Its totient is φ = 41202952.

The previous prime is 82688701. The next prime is 82688707. The reversal of 82688702 is 20788628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82688702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82688701) 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, 69968 + ... + 71139.

It is an arithmetic number, because the mean of its divisors is an integer number (15557157).

Almost surely, 2^82688702 is an apocalyptic number.

82688702 is a deficient number, since it is larger than the sum of its proper divisors (41768554).

82688702 is a wasteful number, since it uses less digits than its factorization.

82688702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141402.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 82688702 is about 9093.3328323558. The cubic root of 82688702 is about 435.6610410155.

The spelling of 82688702 in words is "eighty-two million, six hundred eighty-eight thousand, seven hundred two".