278723048201 has 8 divisors (see below), whose sum is σ = 309845969664. Its totient is φ = 248983367760.

The previous prime is 278723048173. The next prime is 278723048203. The reversal of 278723048201 is 102840327872.

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 278723048201 - 2²⁶ = 278655939337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (278723048203) 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, 345809831 + ... + 345810636.

It is an arithmetic number, because the mean of its divisors is an integer number (38730746208).

Almost surely, 2^278723048201 is an apocalyptic number.

It is an amenable number.

278723048201 is a deficient number, since it is larger than the sum of its proper divisors (31122921463).

278723048201 is a wasteful number, since it uses less digits than its factorization.

278723048201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691620511.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 278723048201 in words is "two hundred seventy-eight billion, seven hundred twenty-three million, forty-eight thousand, two hundred one".