78878363302554 has 8 divisors (see below), whose sum is σ = 157756726605120. Its totient is φ = 26292787767516.

The previous prime is 78878363302549. The next prime is 78878363302591. The reversal of 78878363302554 is 45520336387887.

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

78878363302554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6573196941874 + ... + 6573196941885.

It is an arithmetic number, because the mean of its divisors is an integer number (19719590825640).

Almost surely, 2^{78878363302554} is an apocalyptic number.

78878363302554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78878363302554 is a wasteful number, since it uses less digits than its factorization.

78878363302554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13146393883764.

The product of its (nonzero) digits is 812851200, while the sum is 69.

The spelling of 78878363302554 in words is "seventy-eight trillion, eight hundred seventy-eight billion, three hundred sixty-three million, three hundred two thousand, five hundred fifty-four".