78114554760 has 128 divisors (see below), whose sum is σ = 256860149760. Its totient is φ = 18847046400.

The previous prime is 78114554737. The next prime is 78114554761. The reversal of 78114554760 is 6745541187.

It is a super-2 number, since 2×78114554760² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78114554761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138289 + ... + 418751.

It is an arithmetic number, because the mean of its divisors is an integer number (2006719920).

Almost surely, 2^78114554760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78114554760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128430074880).

78114554760 is an abundant number, since it is smaller than the sum of its proper divisors (178745595000).

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

78114554760 is a wasteful number, since it uses less digits than its factorization.

78114554760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280699 (or 280695 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

It can be divided in two parts, 781 and 14554760, that added together give a palindrome (14555541).

The spelling of 78114554760 in words is "seventy-eight billion, one hundred fourteen million, five hundred fifty-four thousand, seven hundred sixty".