320550870807 has 12 divisors (see below), whose sum is σ = 463150601784. Its totient is φ = 213639344880.

The previous prime is 320550870803. The next prime is 320550870869. The reversal of 320550870807 is 708078055023.

320550870807 is a `hidden beast` number, since 3 + 20 + 550 + 8 + 70 + 8 + 0 + 7 = 666.

It is not a de Polignac number, because 320550870807 - 2² = 320550870803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320550870803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5069808 + ... + 5132645.

It is an arithmetic number, because the mean of its divisors is an integer number (38595883482).

Almost surely, 2^320550870807 is an apocalyptic number.

320550870807 is a deficient number, since it is larger than the sum of its proper divisors (142599730977).

320550870807 is a wasteful number, since it uses less digits than its factorization.

320550870807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205950 (or 10205947 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 320550870807 in words is "three hundred twenty billion, five hundred fifty million, eight hundred seventy thousand, eight hundred seven".