686882142074 has 32 divisors (see below), whose sum is σ = 1100525667840. Its totient is φ = 320816462400.

The previous prime is 686882142059. The next prime is 686882142127. The reversal of 686882142074 is 470241288686.

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, 7004864 + ... + 7102244.

It is an arithmetic number, because the mean of its divisors is an integer number (34391427120).

Almost surely, 2^686882142074 is an apocalyptic number.

686882142074 is a deficient number, since it is larger than the sum of its proper divisors (413643525766).

686882142074 is a wasteful number, since it uses less digits than its factorization.

686882142074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101366.

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 686882142074 in words is "six hundred eighty-six billion, eight hundred eighty-two million, one hundred forty-two thousand, seventy-four".