1078773888 has 32 divisors (see below), whose sum is σ = 2865494160. Its totient is φ = 359591168.

The previous prime is 1078773881. The next prime is 1078773889. The reversal of 1078773888 is 8883778701.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1078773881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404270 + ... + 1405037.

Almost surely, 2^1078773888 is an apocalyptic number.

It is an amenable number.

1078773888 is an abundant number, since it is smaller than the sum of its proper divisors (1786720272).

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

1078773888 is an equidigital number, since it uses as much as digits as its factorization.

1078773888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809324 (or 2809312 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 57.

The square root of 1078773888 is about 32844.6934526721. The cubic root of 1078773888 is about 1025.5971576444.

The spelling of 1078773888 in words is "one billion, seventy-eight million, seven hundred seventy-three thousand, eight hundred eighty-eight".