78701425600 has 168 divisors, whose sum is σ = 221531777408. Its totient is φ = 26957491200.

The previous prime is 78701425597. The next prime is 78701425603. The reversal of 78701425600 is 652410787.

It is an interprime number because it is at equal distance from previous prime (78701425597) and next prime (78701425603).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78701425603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14456479 + ... + 14461921.

Almost surely, 2^78701425600 is an apocalyptic number.

78701425600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78701425600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110765888704).

78701425600 is an abundant number, since it is smaller than the sum of its proper divisors (142830351808).

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

78701425600 is a wasteful number, since it uses less digits than its factorization.

78701425600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 78701425600 in words is "seventy-eight billion, seven hundred one million, four hundred twenty-five thousand, six hundred".