78001066268 has 24 divisors (see below), whose sum is σ = 141139737984. Its totient is φ = 37679616000.

The previous prime is 78001066267. The next prime is 78001066279. The reversal of 78001066268 is 86266010087.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78001066267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448805 + ... + 597852.

It is an arithmetic number, because the mean of its divisors is an integer number (5880822416).

Almost surely, 2^78001066268 is an apocalyptic number.

It is an amenable number.

78001066268 is a deficient number, since it is larger than the sum of its proper divisors (63138671716).

78001066268 is a wasteful number, since it uses less digits than its factorization.

78001066268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047293 (or 1047291 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 78001066268 in words is "seventy-eight billion, one million, sixty-six thousand, two hundred sixty-eight".