7025961778 has 64 divisors (see below), whose sum is σ = 12282399360. Its totient is φ = 2989080000.

The previous prime is 7025961769. The next prime is 7025961781. The reversal of 7025961778 is 8771695207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15240468 + ... + 15240928.

It is an arithmetic number, because the mean of its divisors is an integer number (191912490).

Almost surely, 2^7025961778 is an apocalyptic number.

7025961778 is a deficient number, since it is larger than the sum of its proper divisors (5256437582).

7025961778 is a wasteful number, since it uses less digits than its factorization.

7025961778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 52.

The square root of 7025961778 is about 83821.0103613646. The cubic root of 7025961778 is about 1915.2931743744.

The spelling of 7025961778 in words is "seven billion, twenty-five million, nine hundred sixty-one thousand, seven hundred seventy-eight".