78650268641280 has 1152 divisors, whose sum is σ = 323563372554240. Its totient is φ = 17949585899520.

The previous prime is 78650268641239. The next prime is 78650268641299. The reversal of 78650268641280 is 8214686205687.

78650268641280 is a `hidden beast` number, since 7 + 8 + 6 + 50 + 268 + 6 + 41 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12663057375 + ... + 12663063585.

It is an arithmetic number, because the mean of its divisors is an integer number (280870983120).

Almost surely, 2^{78650268641280} is an apocalyptic number.

78650268641280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78650268641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161781686277120).

78650268641280 is an abundant number, since it is smaller than the sum of its proper divisors (244913103912960).

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

78650268641280 is an equidigital number, since it uses as much as digits as its factorization.

78650268641280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987 (or 6955 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 78650268641280 in words is "seventy-eight trillion, six hundred fifty billion, two hundred sixty-eight million, six hundred forty-one thousand, two hundred eighty".