321683701087 has 8 divisors (see below), whose sum is σ = 371207822336. Its totient is φ = 273051906552.

The previous prime is 321683701049. The next prime is 321683701099. The reversal of 321683701087 is 780107386123.

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

It is not a de Polignac number, because 321683701087 - 2⁷ = 321683700959 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 (321683701687) 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, 223080903 + ... + 223082344.

It is an arithmetic number, because the mean of its divisors is an integer number (46400977792).

Almost surely, 2^321683701087 is an apocalyptic number.

321683701087 is a deficient number, since it is larger than the sum of its proper divisors (49524121249).

321683701087 is a wasteful number, since it uses less digits than its factorization.

321683701087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446163357.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 321683701087 in words is "three hundred twenty-one billion, six hundred eighty-three million, seven hundred one thousand, eighty-seven".