320447360147 has 8 divisors (see below), whose sum is σ = 321042160032. Its totient is φ = 319853088000.

The previous prime is 320447360117. The next prime is 320447360231. The reversal of 320447360147 is 741063744023.

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

It is a cyclic number.

It is not a de Polignac number, because 320447360147 - 2¹² = 320447356051 is a prime.

It is a super-2 number, since 2×320447360147² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320447360117) 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, 1094147 + ... + 1355747.

It is an arithmetic number, because the mean of its divisors is an integer number (40130270004).

Almost surely, 2^320447360147 is an apocalyptic number.

320447360147 is a deficient number, since it is larger than the sum of its proper divisors (594799885).

320447360147 is a wasteful number, since it uses less digits than its factorization.

320447360147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263869.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 320447360147 in words is "three hundred twenty billion, four hundred forty-seven million, three hundred sixty thousand, one hundred forty-seven".