1078987925897 has 24 divisors (see below), whose sum is σ = 1256874749856. Its totient is φ = 923576266368.

The previous prime is 1078987925863. The next prime is 1078987925941. The reversal of 1078987925897 is 7985297898701.

1078987925897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1078987925897 - 2¹⁴ = 1078987909513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078987925837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152892593 + ... + 152899649.

It is an arithmetic number, because the mean of its divisors is an integer number (52369781244).

Almost surely, 2^{1078987925897} is an apocalyptic number.

It is an amenable number.

1078987925897 is a deficient number, since it is larger than the sum of its proper divisors (177886823959).

1078987925897 is a wasteful number, since it uses less digits than its factorization.

1078987925897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917 (or 10910 counting only the distinct ones).

The product of its (nonzero) digits is 1280240640, while the sum is 80.

The spelling of 1078987925897 in words is "one trillion, seventy-eight billion, nine hundred eighty-seven million, nine hundred twenty-five thousand, eight hundred ninety-seven".