278079732742 has 8 divisors (see below), whose sum is σ = 476708113296. Its totient is φ = 119177028312.

The previous prime is 278079732737. The next prime is 278079732767. The reversal of 278079732742 is 247237970872.

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, 9931419013 + ... + 9931419040.

It is an arithmetic number, because the mean of its divisors is an integer number (59588514162).

Almost surely, 2^278079732742 is an apocalyptic number.

278079732742 is a deficient number, since it is larger than the sum of its proper divisors (198628380554).

278079732742 is a wasteful number, since it uses less digits than its factorization.

278079732742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19862838062.

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 278079732742 in words is "two hundred seventy-eight billion, seventy-nine million, seven hundred thirty-two thousand, seven hundred forty-two".