7861353338394 has 48 divisors (see below), whose sum is σ = 17627581071360. Its totient is φ = 2529401286240.

The previous prime is 7861353338309. The next prime is 7861353338413. The reversal of 7861353338394 is 4938333531687.

7861353338394 is a `hidden beast` number, since 7 + 8 + 6 + 1 + 3 + 533 + 3 + 8 + 3 + 94 = 666.

It is a super-2 number, since 2×7861353338394² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17891482 + ... + 18325605.

It is an arithmetic number, because the mean of its divisors is an integer number (367241272320).

Almost surely, 2^{7861353338394} is an apocalyptic number.

7861353338394 is an abundant number, since it is smaller than the sum of its proper divisors (9766227732966).

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

7861353338394 is a wasteful number, since it uses less digits than its factorization.

7861353338394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36217515 (or 36217512 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 7861353338394 in words is "seven trillion, eight hundred sixty-one billion, three hundred fifty-three million, three hundred thirty-eight thousand, three hundred ninety-four".