8794781954 has 12 divisors (see below), whose sum is σ = 15345997254. Its totient is φ = 3769192224.

The previous prime is 8794781953. The next prime is 8794781969. The reversal of 8794781954 is 4591874978.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8140189729 + 654592225 = 90223^2 + 25585^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8794781951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44871239 + ... + 44871434.

Almost surely, 2^8794781954 is an apocalyptic number.

8794781954 is a deficient number, since it is larger than the sum of its proper divisors (6551215300).

8794781954 is a wasteful number, since it uses less digits than its factorization.

8794781954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89742689 (or 89742682 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 62.

The square root of 8794781954 is about 93780.4987937258. The cubic root of 8794781954 is about 2064.1520831753.

The spelling of 8794781954 in words is "eight billion, seven hundred ninety-four million, seven hundred eighty-one thousand, nine hundred fifty-four".