9678120025 has 24 divisors (see below), whose sum is σ = 13729906944. Its totient is φ = 6629347200.

The previous prime is 9678120019. The next prime is 9678120029. The reversal of 9678120025 is 5200218769.

It is not a de Polignac number, because 9678120025 - 2¹⁵ = 9678087257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9678120025.

It is not an unprimeable number, because it can be changed into a prime (9678120029) 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, 137760 + ... + 195790.

It is an arithmetic number, because the mean of its divisors is an integer number (572079456).

Almost surely, 2^9678120025 is an apocalyptic number.

It is an amenable number.

9678120025 is a deficient number, since it is larger than the sum of its proper divisors (4051786919).

9678120025 is a wasteful number, since it uses less digits than its factorization.

9678120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59001 (or 58996 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 9678120025 is about 98377.4365644887. The cubic root of 9678120025 is about 2131.0664958977.

The spelling of 9678120025 in words is "nine billion, six hundred seventy-eight million, one hundred twenty thousand, twenty-five".