1053334778 has 4 divisors (see below), whose sum is σ = 1580002170. Its totient is φ = 526667388.

The previous prime is 1053334747. The next prime is 1053334801. The reversal of 1053334778 is 8774333501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 765794929 + 287539849 = 27673^2 + 16957^2 .

It is a super-2 number, since 2×1053334778² = 2219028309088618568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263333693 + ... + 263333696.

Almost surely, 2^1053334778 is an apocalyptic number.

1053334778 is a deficient number, since it is larger than the sum of its proper divisors (526667392).

1053334778 is an equidigital number, since it uses as much as digits as its factorization.

1053334778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526667391.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 1053334778 is about 32455.1194420849. The cubic root of 1053334778 is about 1017.4712375283.

The spelling of 1053334778 in words is "one billion, fifty-three million, three hundred thirty-four thousand, seven hundred seventy-eight".