10378321887 has 8 divisors (see below), whose sum is σ = 14284142080. Its totient is φ = 6695691480.

The previous prime is 10378321871. The next prime is 10378321913. The reversal of 10378321887 is 78812387301.

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

It is not a de Polignac number, because 10378321887 - 2⁴ = 10378321871 is a prime.

It is a super-3 number, since 3×10378321887³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10378321817) 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, 55797337 + ... + 55797522.

It is an arithmetic number, because the mean of its divisors is an integer number (1785517760).

Almost surely, 2^10378321887 is an apocalyptic number.

10378321887 is a deficient number, since it is larger than the sum of its proper divisors (3905820193).

10378321887 is a wasteful number, since it uses less digits than its factorization.

10378321887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111594893.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 10378321887 in words is "ten billion, three hundred seventy-eight million, three hundred twenty-one thousand, eight hundred eighty-seven".