9714978525 has 96 divisors (see below), whose sum is σ = 19486752768. Its totient is φ = 4169088000.

The previous prime is 9714978499. The next prime is 9714978547. The reversal of 9714978525 is 5258794179.

It is not a de Polignac number, because 9714978525 - 2⁶ = 9714978461 is a prime.

It is a super-2 number, since 2×9714978525² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4131100 + ... + 4133450.

It is an arithmetic number, because the mean of its divisors is an integer number (202987008).

Almost surely, 2^9714978525 is an apocalyptic number.

It is an amenable number.

9714978525 is an abundant number, since it is smaller than the sum of its proper divisors (9771774243).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9714978525 is a wasteful number, since it uses less digits than its factorization.

9714978525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2846 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 57.

The square root of 9714978525 is about 98564.5906246254. The cubic root of 9714978525 is about 2133.7684121713.

The spelling of 9714978525 in words is "nine billion, seven hundred fourteen million, nine hundred seventy-eight thousand, five hundred twenty-five".