78877727735160 has 256 divisors, whose sum is σ = 250923963801600. Its totient is φ = 19803290572800.

The previous prime is 78877727735153. The next prime is 78877727735297. The reversal of 78877727735160 is 6153772777887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43434990 + ... + 45214530.

It is an arithmetic number, because the mean of its divisors is an integer number (980171733600).

Almost surely, 2^{78877727735160} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78877727735160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125461981900800).

78877727735160 is an abundant number, since it is smaller than the sum of its proper divisors (172046236066440).

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

78877727735160 is a wasteful number, since it uses less digits than its factorization.

78877727735160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779902 (or 1779898 counting only the distinct ones).

The product of its (nonzero) digits is 1355316480, while the sum is 75.

The spelling of 78877727735160 in words is "seventy-eight trillion, eight hundred seventy-seven billion, seven hundred twenty-seven million, seven hundred thirty-five thousand, one hundred sixty".