278330042071 has 8 divisors (see below), whose sum is σ = 290934709344. Its totient is φ = 265767321600.

The previous prime is 278330042057. The next prime is 278330042093. The reversal of 278330042071 is 170240033872.

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

It is a cyclic number.

It is not a de Polignac number, because 278330042071 - 2⁷ = 278330041943 is a prime.

It is a super-2 number, since 2×278330042071² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 278330042071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278330042171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473130 + ... + 10499671.

It is an arithmetic number, because the mean of its divisors is an integer number (36366838668).

Almost surely, 2^278330042071 is an apocalyptic number.

278330042071 is a deficient number, since it is larger than the sum of its proper divisors (12604667273).

278330042071 is a wasteful number, since it uses less digits than its factorization.

278330042071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20973401.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 278330042071 in words is "two hundred seventy-eight billion, three hundred thirty million, forty-two thousand, seventy-one".