278994968006 has 16 divisors (see below), whose sum is σ = 419534878560. Its totient is φ = 139150085760.

The previous prime is 278994967903. The next prime is 278994968033. The reversal of 278994968006 is 600869499872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11183615 + ... + 11208533.

It is an arithmetic number, because the mean of its divisors is an integer number (26220929910).

Almost surely, 2^278994968006 is an apocalyptic number.

278994968006 is a deficient number, since it is larger than the sum of its proper divisors (140539910554).

278994968006 is a wasteful number, since it uses less digits than its factorization.

278994968006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38639.

The product of its (nonzero) digits is 94058496, while the sum is 68.

The spelling of 278994968006 in words is "two hundred seventy-eight billion, nine hundred ninety-four million, nine hundred sixty-eight thousand, six".