2025675065978 has 16 divisors (see below), whose sum is σ = 3045133171080.
Its totient is φ = 1010632773696.
The previous prime is 2025675065959. The next prime is 2025675066031. The reversal of 2025675065978 is 8795605765202.
It can be written as a sum of positive squares in 4 ways, for example, as 2025546629089 + 128436889 = 1423217^2 + 11333^2
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2025675065978.
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, 1411400 + ... + 2458332.
Almost surely, 22025675065978 is an apocalyptic number.
2025675065978 is a deficient number, since it is larger than the sum of its proper divisors (1019458105102).
2025675065978 is a wasteful number, since it uses less digits than its factorization.
2025675065978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049041.
The product of its (nonzero) digits is 63504000, while the sum is 62.
The spelling of 2025675065978 in words is "two trillion, twenty-five billion, six hundred seventy-five million, sixty-five thousand, nine hundred seventy-eight".