7278045566396 has 24 divisors (see below), whose sum is σ = 13896366919344. Its totient is φ = 3307746270080.

The previous prime is 7278045566381. The next prime is 7278045566437. The reversal of 7278045566396 is 6936655408727.

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, 11083745 + ... + 11722008.

It is an arithmetic number, because the mean of its divisors is an integer number (579015288306).

Almost surely, 2^{7278045566396} is an apocalyptic number.

It is an amenable number.

7278045566396 is a deficient number, since it is larger than the sum of its proper divisors (6618321352948).

7278045566396 is a wasteful number, since it uses less digits than its factorization.

7278045566396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22813021 (or 22813019 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 68.

The spelling of 7278045566396 in words is "seven trillion, two hundred seventy-eight billion, forty-five million, five hundred sixty-six thousand, three hundred ninety-six".