320475635087 has 8 divisors (see below), whose sum is σ = 329185609296. Its totient is φ = 311768212032.

The previous prime is 320475635063. The next prime is 320475635131. The reversal of 320475635087 is 780536574023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320475635087 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 (320475635017) 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, 381758 + ... + 886955.

It is an arithmetic number, because the mean of its divisors is an integer number (41148201162).

Almost surely, 2^320475635087 is an apocalyptic number.

320475635087 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

320475635087 is a deficient number, since it is larger than the sum of its proper divisors (8709974209).

320475635087 is a wasteful number, since it uses less digits than its factorization.

320475635087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275577.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 320475635087 in words is "three hundred twenty billion, four hundred seventy-five million, six hundred thirty-five thousand, eighty-seven".