978850719725 has 12 divisors (see below), whose sum is σ = 1220555763360. Its totient is φ = 778705820400.

The previous prime is 978850719719. The next prime is 978850719757. The reversal of 978850719725 is 527917058879.

It is not a de Polignac number, because 978850719725 - 2¹⁶ = 978850654189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109364321 + ... + 109373270.

It is an arithmetic number, because the mean of its divisors is an integer number (101712980280).

Almost surely, 2^978850719725 is an apocalyptic number.

It is an amenable number.

978850719725 is a deficient number, since it is larger than the sum of its proper divisors (241705043635).

978850719725 is a wasteful number, since it uses less digits than its factorization.

978850719725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218737780 (or 218737775 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 68.

The spelling of 978850719725 in words is "nine hundred seventy-eight billion, eight hundred fifty million, seven hundred nineteen thousand, seven hundred twenty-five".