1078997407504 has 45 divisors (see below), whose sum is σ = 2160428112981. Its totient is φ = 522033194880.

The previous prime is 1078997407493. The next prime is 1078997407507. The reversal of 1078997407504 is 4057047998701.

The square root of 1078997407504 is 1038748.

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

1078997407504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 154999690000 + 923997717504 = 393700^2 + 961248^2 .

It is not an unprimeable number, because it can be changed into a prime (1078997407507) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 128800564 + ... + 128808940.

Almost surely, 2^{1078997407504} is an apocalyptic number.

1078997407504 is the 1038748-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078997407504

1078997407504 is an abundant number, since it is smaller than the sum of its proper divisors (1081430705477).

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

1078997407504 is an frugal number, since it uses more digits than its factorization.

1078997407504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824 (or 8410 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 1078997407504 in words is "one trillion, seventy-eight billion, nine hundred ninety-seven million, four hundred seven thousand, five hundred four".