9725078541976 has 32 divisors (see below), whose sum is σ = 20842493991840. Its totient is φ = 4167282809088.

The previous prime is 9725078541917. The next prime is 9725078541991. The reversal of 9725078541976 is 6791458705279.

It is a congruent number.

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, 12279135 + ... + 13047118.

It is an arithmetic number, because the mean of its divisors is an integer number (651327937245).

Almost surely, 2^{9725078541976} is an apocalyptic number.

It is an amenable number.

9725078541976 is an abundant number, since it is smaller than the sum of its proper divisors (11117415449864).

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

9725078541976 is a wasteful number, since it uses less digits than its factorization.

9725078541976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333123 (or 25333119 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 70.

The spelling of 9725078541976 in words is "nine trillion, seven hundred twenty-five billion, seventy-eight million, five hundred forty-one thousand, nine hundred seventy-six".