1070268778 has 4 divisors (see below), whose sum is σ = 1605403170. Its totient is φ = 535134388.

The previous prime is 1070268767. The next prime is 1070268781. The reversal of 1070268778 is 8778620701.

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., 1025472529 + 44796249 = 32023^2 + 6693^2 .

It is a super-2 number, since 2×1070268778² = 2290950514323226568, 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, 267567193 + ... + 267567196.

Almost surely, 2^1070268778 is an apocalyptic number.

1070268778 is a deficient number, since it is larger than the sum of its proper divisors (535134392).

1070268778 is an equidigital number, since it uses as much as digits as its factorization.

1070268778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535134391.

The product of its (nonzero) digits is 263424, while the sum is 46.

The square root of 1070268778 is about 32714.9626012319. The cubic root of 1070268778 is about 1022.8947559051.

The spelling of 1070268778 in words is "one billion, seventy million, two hundred sixty-eight thousand, seven hundred seventy-eight".