289470912378 has 16 divisors (see below), whose sum is σ = 580357335360. Its totient is φ = 96254385696.

The previous prime is 289470912293. The next prime is 289470912383. The reversal of 289470912378 is 873219074982.

It is a super-2 number, since 2×289470912378² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58976950 + ... + 58981857.

It is an arithmetic number, because the mean of its divisors is an integer number (36272333460).

Almost surely, 2^289470912378 is an apocalyptic number.

289470912378 is an abundant number, since it is smaller than the sum of its proper divisors (290886422982).

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

289470912378 is a wasteful number, since it uses less digits than its factorization.

289470912378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117959221.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 289470912378 in words is "two hundred eighty-nine billion, four hundred seventy million, nine hundred twelve thousand, three hundred seventy-eight".