7894342470392 has 96 divisors (see below), whose sum is σ = 18130383072000. Its totient is φ = 3204228404160.

The previous prime is 7894342470367. The next prime is 7894342470397. The reversal of 7894342470392 is 2930742434987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7894342470397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24110417 + ... + 24435647.

It is an arithmetic number, because the mean of its divisors is an integer number (188858157000).

Almost surely, 2^{7894342470392} 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 7894342470392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9065191536000).

7894342470392 is an abundant number, since it is smaller than the sum of its proper divisors (10236040601608).

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

7894342470392 is a wasteful number, since it uses less digits than its factorization.

7894342470392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328529 (or 328518 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 7894342470392 in words is "seven trillion, eight hundred ninety-four billion, three hundred forty-two million, four hundred seventy thousand, three hundred ninety-two".