278020070383 has 4 divisors (see below), whose sum is σ = 303294622248. Its totient is φ = 252745518520.

The previous prime is 278020070359. The next prime is 278020070401. The reversal of 278020070383 is 383070020872.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 278020070383 - 2⁵ = 278020070351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278020070353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12637275916 + ... + 12637275937.

It is an arithmetic number, because the mean of its divisors is an integer number (75823655562).

Almost surely, 2^278020070383 is an apocalyptic number.

278020070383 is a deficient number, since it is larger than the sum of its proper divisors (25274551865).

278020070383 is a wasteful number, since it uses less digits than its factorization.

278020070383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25274551864.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 278020070383 in words is "two hundred seventy-eight billion, twenty million, seventy thousand, three hundred eighty-three".