1078390863936 has 105 divisors (see below), whose sum is σ = 3196910003551. Its totient is φ = 359438698368.

The previous prime is 1078390863889. The next prime is 1078390863947. The reversal of 1078390863936 is 6393680938701.

The square root of 1078390863936 is 1038456.

It is a perfect power (a square), and thus also a powerful number.

1078390863936 is a `hidden beast` number, since 1 + 0 + 7 + 83 + 90 + 86 + 393 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 74761621 + ... + 74776043.

Almost surely, 2^{1078390863936} is an apocalyptic number.

1078390863936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1078390863936 is the 1038456-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078390863936

1078390863936 is an abundant number, since it is smaller than the sum of its proper divisors (2118519139615).

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

1078390863936 is an frugal number, since it uses more digits than its factorization.

1078390863936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28870 (or 14428 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 1078390863936 in words is "one trillion, seventy-eight billion, three hundred ninety million, eight hundred sixty-three thousand, nine hundred thirty-six".