1078015728 has 80 divisors (see below), whose sum is σ = 2820819456. Its totient is φ = 354735360.

The previous prime is 1078015721. The next prime is 1078015733. The reversal of 1078015728 is 8275108701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078015721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450525 + ... + 1451267.

Almost surely, 2^1078015728 is an apocalyptic number.

It is an amenable number.

1078015728 is an abundant number, since it is smaller than the sum of its proper divisors (1742803728).

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

1078015728 is a wasteful number, since it uses less digits than its factorization.

1078015728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 1078015728 is about 32833.1498336666. The cubic root of 1078015728 is about 1025.3568388349.

The spelling of 1078015728 in words is "one billion, seventy-eight million, fifteen thousand, seven hundred twenty-eight".