2678028839390 has 8 divisors (see below), whose sum is σ = 4820451910920. Its totient is φ = 1071211535752.

The previous prime is 2678028839359. The next prime is 2678028839429. The reversal of 2678028839390 is 939388208762.

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

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, 133901441960 + ... + 133901441979.

It is an arithmetic number, because the mean of its divisors is an integer number (602556488865).

Almost surely, 2^{2678028839390} is an apocalyptic number.

2678028839390 is a deficient number, since it is larger than the sum of its proper divisors (2142423071530).

2678028839390 is a wasteful number, since it uses less digits than its factorization.

2678028839390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267802883946.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 2678028839390 in words is "two trillion, six hundred seventy-eight billion, twenty-eight million, eight hundred thirty-nine thousand, three hundred ninety".