686082882430 has 32 divisors (see below), whose sum is σ = 1347261880320. Its totient is φ = 249476428320.

The previous prime is 686082882389. The next prime is 686082882451. The reversal of 686082882430 is 34288280686.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 3959551 + ... + 4129189.

It is an arithmetic number, because the mean of its divisors is an integer number (42101933760).

Almost surely, 2^686082882430 is an apocalyptic number.

686082882430 is a deficient number, since it is larger than the sum of its proper divisors (661178997890).

686082882430 is a wasteful number, since it uses less digits than its factorization.

686082882430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206424.

The product of its (nonzero) digits is 7077888, while the sum is 55.

The spelling of 686082882430 in words is "six hundred eighty-six billion, eighty-two million, eight hundred eighty-two thousand, four hundred thirty".