10321957387 has 8 divisors (see below), whose sum is σ = 11810294496. Its totient is φ = 8837063232.

The previous prime is 10321957379. The next prime is 10321957391. The reversal of 10321957387 is 78375912301.

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 10321957387 - 2³ = 10321957379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10321957397) 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, 854308 + ... + 866305.

It is an arithmetic number, because the mean of its divisors is an integer number (1476286812).

Almost surely, 2^10321957387 is an apocalyptic number.

10321957387 is a deficient number, since it is larger than the sum of its proper divisors (1488337109).

10321957387 is an equidigital number, since it uses as much as digits as its factorization.

10321957387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721477.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 10321957387 in words is "ten billion, three hundred twenty-one million, nine hundred fifty-seven thousand, three hundred eighty-seven".