78880000280248 has 16 divisors (see below), whose sum is σ = 154330435331280. Its totient is φ = 37725217525248.

The previous prime is 78880000280243. The next prime is 78880000280269. The reversal of 78880000280248 is 84208200008887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78880000280243) 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, 214347826665 + ... + 214347827032.

It is an arithmetic number, because the mean of its divisors is an integer number (9645652208205).

Almost surely, 2^{78880000280248} is an apocalyptic number.

It is an amenable number.

78880000280248 is a deficient number, since it is larger than the sum of its proper divisors (75450435051032).

78880000280248 is a wasteful number, since it uses less digits than its factorization.

78880000280248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428695653726 (or 428695653722 counting only the distinct ones).

The product of its (nonzero) digits is 3670016, while the sum is 55.

The spelling of 78880000280248 in words is "seventy-eight trillion, eight hundred eighty billion, two hundred eighty thousand, two hundred forty-eight".