78375351940626 has 64 divisors (see below), whose sum is σ = 170390470053888. Its totient is φ = 23890054422528.

The previous prime is 78375351940573. The next prime is 78375351940751. The reversal of 78375351940626 is 62604915357387.

It is a happy number.

It is a super-2 number, since 2×78375351940626² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788650 + ... + 12544826.

It is an arithmetic number, because the mean of its divisors is an integer number (2662351094592).

It is a 1-persistent number, because it is pandigital, but 2⋅78375351940626 = 156750703881252 is not.

Almost surely, 2^{78375351940626} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78375351940626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85195235026944).

78375351940626 is an abundant number, since it is smaller than the sum of its proper divisors (92015118113262).

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

78375351940626 is a wasteful number, since it uses less digits than its factorization.

78375351940626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756995.

The product of its (nonzero) digits is 228614400, while the sum is 66.

The spelling of 78375351940626 in words is "seventy-eight trillion, three hundred seventy-five billion, three hundred fifty-one million, nine hundred forty thousand, six hundred twenty-six".