78507876860 has 24 divisors (see below), whose sum is σ = 188418904800. Its totient is φ = 26916986304.

The previous prime is 78507876841. The next prime is 78507876869. The reversal of 78507876860 is 6867870587.

It is a junction number, because it is equal to n+sod(n) for n = 78507876793 and 78507876802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78507876869) 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, 280385135 + ... + 280385414.

It is an arithmetic number, because the mean of its divisors is an integer number (7850787700).

Almost surely, 2^78507876860 is an apocalyptic number.

78507876860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78507876860 is an abundant number, since it is smaller than the sum of its proper divisors (109911027940).

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

78507876860 is a wasteful number, since it uses less digits than its factorization.

78507876860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560770565 (or 560770563 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 62.

The spelling of 78507876860 in words is "seventy-eight billion, five hundred seven million, eight hundred seventy-six thousand, eight hundred sixty".