78286369152 has 32 divisors (see below), whose sum is σ = 207948169080. Its totient is φ = 26095456256.

The previous prime is 78286369141. The next prime is 78286369177. The reversal of 78286369152 is 25196368287.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×78286369152² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78286369092 and 78286369101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101934993 + ... + 101935760.

Almost surely, 2^78286369152 is an apocalyptic number.

It is an amenable number.

78286369152 is an abundant number, since it is smaller than the sum of its proper divisors (129661799928).

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

78286369152 is a wasteful number, since it uses less digits than its factorization.

78286369152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203870770 (or 203870758 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 78286369152 in words is "seventy-eight billion, two hundred eighty-six million, three hundred sixty-nine thousand, one hundred fifty-two".