10989384078 has 32 divisors (see below), whose sum is σ = 22664017152. Its totient is φ = 3550104000.

The previous prime is 10989384031. The next prime is 10989384127. The reversal of 10989384078 is 87048398901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110776 + ... + 185067.

It is an arithmetic number, because the mean of its divisors is an integer number (708250536).

Almost surely, 2^10989384078 is an apocalyptic number.

10989384078 is an abundant number, since it is smaller than the sum of its proper divisors (11674633074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10989384078 is a wasteful number, since it uses less digits than its factorization.

10989384078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296040.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 10989384078 in words is "ten billion, nine hundred eighty-nine million, three hundred eighty-four thousand, seventy-eight".