78926314194 has 192 divisors, whose sum is σ = 229277018880. Its totient is φ = 19910499840.

The previous prime is 78926314139. The next prime is 78926314211. The reversal of 78926314194 is 49141362987.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 78926314194.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 741274 + ... + 841034.

It is an arithmetic number, because the mean of its divisors is an integer number (1194151140).

Almost surely, 2^78926314194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78926314194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114638509440).

78926314194 is an abundant number, since it is smaller than the sum of its proper divisors (150350704686).

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

78926314194 is a wasteful number, since it uses less digits than its factorization.

78926314194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99822 (or 99809 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 78926314194 in words is "seventy-eight billion, nine hundred twenty-six million, three hundred fourteen thousand, one hundred ninety-four".