686886802002 has 16 divisors (see below), whose sum is σ = 1526415115680. Its totient is φ = 228962267316.

The previous prime is 686886802001. The next prime is 686886802027. The reversal of 686886802002 is 200208688686.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 12720125963 = 686886802002 / (6 + 8 + 6 + 8 + 8 + 6 + 8 + 0 + 2 + 0 + 0 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 686886802002.

It is not an unprimeable number, because it can be changed into a prime (686886802001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6360062928 + ... + 6360063035.

It is an arithmetic number, because the mean of its divisors is an integer number (95400944730).

Almost surely, 2^686886802002 is an apocalyptic number.

686886802002 is an abundant number, since it is smaller than the sum of its proper divisors (839528313678).

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

686886802002 is a wasteful number, since it uses less digits than its factorization.

686886802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720125974 (or 12720125968 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 686886802002 in words is "six hundred eighty-six billion, eight hundred eighty-six million, eight hundred two thousand, two".