8434863090786 has 16 divisors (see below), whose sum is σ = 18403337652768. Its totient is φ = 2556019118400.

The previous prime is 8434863090763. The next prime is 8434863090793. The reversal of 8434863090786 is 6870903684348.

It is a super-2 number, since 2×8434863090786² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 127800955921 = 8434863090786 / (8 + 4 + 3 + 4 + 8 + 6 + 3 + 0 + 9 + 0 + 7 + 8 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63900477895 + ... + 63900478026.

It is an arithmetic number, because the mean of its divisors is an integer number (1150208603298).

Almost surely, 2^{8434863090786} is an apocalyptic number.

8434863090786 is an abundant number, since it is smaller than the sum of its proper divisors (9968474561982).

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

8434863090786 is a wasteful number, since it uses less digits than its factorization.

8434863090786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127800955937.

The product of its (nonzero) digits is 167215104, while the sum is 66.

The spelling of 8434863090786 in words is "eight trillion, four hundred thirty-four billion, eight hundred sixty-three million, ninety thousand, seven hundred eighty-six".