78265813180 has 12 divisors (see below), whose sum is σ = 164358207720. Its totient is φ = 31306325264.

The previous prime is 78265813163. The next prime is 78265813201. The reversal of 78265813180 is 8131856287.

It is a super-3 number, since 3×78265813180³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1956645310 + ... + 1956645349.

It is an arithmetic number, because the mean of its divisors is an integer number (13696517310).

Almost surely, 2^78265813180 is an apocalyptic number.

It is an amenable number.

78265813180 is an abundant number, since it is smaller than the sum of its proper divisors (86092394540).

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

78265813180 is a wasteful number, since it uses less digits than its factorization.

78265813180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913290668 (or 3913290666 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 78265813180 in words is "seventy-eight billion, two hundred sixty-five million, eight hundred thirteen thousand, one hundred eighty".