1078756320 has 48 divisors (see below), whose sum is σ = 3398083920. Its totient is φ = 287668224.

The previous prime is 1078756319. The next prime is 1078756333. The reversal of 1078756320 is 236578701.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×1078756320³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 1123225 + ... + 1124184.

It is an arithmetic number, because the mean of its divisors is an integer number (70793415).

Almost surely, 2^1078756320 is an apocalyptic number.

1078756320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078756320 is an abundant number, since it is smaller than the sum of its proper divisors (2319327600).

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

1078756320 is a wasteful number, since it uses less digits than its factorization.

1078756320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247427 (or 2247419 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1078756320 is about 32844.4260111210. The cubic root of 1078756320 is about 1025.5915902780.

The spelling of 1078756320 in words is "one billion, seventy-eight million, seven hundred fifty-six thousand, three hundred twenty".