78967361720 has 32 divisors (see below), whose sum is σ = 191343993120. Its totient is φ = 29157179520.

The previous prime is 78967361699. The next prime is 78967361723. The reversal of 78967361720 is 2716376987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78967361723) 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, 75929636 + ... + 75930675.

It is an arithmetic number, because the mean of its divisors is an integer number (5979499785).

Almost surely, 2^78967361720 is an apocalyptic number.

It is an amenable number.

78967361720 is an abundant number, since it is smaller than the sum of its proper divisors (112376631400).

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

78967361720 is a wasteful number, since it uses less digits than its factorization.

78967361720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151860335 (or 151860331 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 78967361720 in words is "seventy-eight billion, nine hundred sixty-seven million, three hundred sixty-one thousand, seven hundred twenty".