108989252420878 has 8 divisors (see below), whose sum is σ = 166962259027872. Its totient is φ = 53335166078256.

The previous prime is 108989252420843. The next prime is 108989252420927. The reversal of 108989252420878 is 878024252989801.

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

It is a super-3 number, since 3×108989252420878³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108989252420878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579730065975 + ... + 579730066162.

It is an arithmetic number, because the mean of its divisors is an integer number (20870282378484).

Almost surely, 2^{108989252420878} is an apocalyptic number.

108989252420878 is a deficient number, since it is larger than the sum of its proper divisors (57973006606994).

108989252420878 is a wasteful number, since it uses less digits than its factorization.

108989252420878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159460132186.

The product of its (nonzero) digits is 371589120, while the sum is 73.

The spelling of 108989252420878 in words is "one hundred eight trillion, nine hundred eighty-nine billion, two hundred fifty-two million, four hundred twenty thousand, eight hundred seventy-eight".