78850065275720 has 64 divisors (see below), whose sum is σ = 185346893088000. Its totient is φ = 30132762381568.

The previous prime is 78850065275627. The next prime is 78850065275747. The reversal of 78850065275720 is 2757256005887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50304755 + ... + 51848514.

It is an arithmetic number, because the mean of its divisors is an integer number (2896045204500).

Almost surely, 2^{78850065275720} is an apocalyptic number.

It is an amenable number.

78850065275720 is an abundant number, since it is smaller than the sum of its proper divisors (106496827812280).

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

78850065275720 is a wasteful number, since it uses less digits than its factorization.

78850065275720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102154142 (or 102154138 counting only the distinct ones).

The product of its (nonzero) digits is 65856000, while the sum is 62.

The spelling of 78850065275720 in words is "seventy-eight trillion, eight hundred fifty billion, sixty-five million, two hundred seventy-five thousand, seven hundred twenty".