7874386386 has 16 divisors (see below), whose sum is σ = 15749757504. Its totient is φ = 2624631344.

The previous prime is 7874386381. The next prime is 7874386409. The reversal of 7874386386 is 6836834787.

It is not an unprimeable number, because it can be changed into a prime (7874386381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100456 + ... + 160748.

It is an arithmetic number, because the mean of its divisors is an integer number (984359844).

Almost surely, 2^7874386386 is an apocalyptic number.

7874386386 is an abundant number, since it is smaller than the sum of its proper divisors (7875371118).

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

7874386386 is a wasteful number, since it uses less digits than its factorization.

7874386386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82065.

The product of its digits is 32514048, while the sum is 60.

The square root of 7874386386 is about 88737.7393559245. The cubic root of 7874386386 is about 1989.4769284217.

The spelling of 7874386386 in words is "seven billion, eight hundred seventy-four million, three hundred eighty-six thousand, three hundred eighty-six".