816627600007 has 4 divisors (see below), whose sum is σ = 817154798200. Its totient is φ = 816100401816.

The previous prime is 816627599969. The next prime is 816627600011. The reversal of 816627600007 is 700006726618.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816627600007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816627600077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263596773 + ... + 263599870.

It is an arithmetic number, because the mean of its divisors is an integer number (204288699550).

Almost surely, 2^816627600007 is an apocalyptic number.

816627600007 is a deficient number, since it is larger than the sum of its proper divisors (527198193).

816627600007 is a wasteful number, since it uses less digits than its factorization.

816627600007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527198192.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 816627600007 in words is "eight hundred sixteen billion, six hundred twenty-seven million, six hundred thousand, seven".