78707270140 has 24 divisors (see below), whose sum is σ = 175007930832. Its totient is φ = 29630972160.

The previous prime is 78707270099. The next prime is 78707270141. The reversal of 78707270140 is 4107270787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78707270141) 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, 115745646 + ... + 115746325.

It is an arithmetic number, because the mean of its divisors is an integer number (7291997118).

Almost surely, 2^78707270140 is an apocalyptic number.

It is an amenable number.

78707270140 is an abundant number, since it is smaller than the sum of its proper divisors (96300660692).

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

78707270140 is a wasteful number, since it uses less digits than its factorization.

78707270140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231491997 (or 231491995 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 43.

The spelling of 78707270140 in words is "seventy-eight billion, seven hundred seven million, two hundred seventy thousand, one hundred forty".