207928689434 has 8 divisors (see below), whose sum is σ = 312007751040. Its totient is φ = 103926105756.

The previous prime is 207928689421. The next prime is 207928689467. The reversal of 207928689434 is 434986829702.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19112684 + ... + 19123559.

It is an arithmetic number, because the mean of its divisors is an integer number (39000968880).

Almost surely, 2^207928689434 is an apocalyptic number.

207928689434 is a deficient number, since it is larger than the sum of its proper divisors (104079061606).

207928689434 is a wasteful number, since it uses less digits than its factorization.

207928689434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38238964.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 207928689434 in words is "two hundred seven billion, nine hundred twenty-eight million, six hundred eighty-nine thousand, four hundred thirty-four".