9783978903532 has 24 divisors (see below), whose sum is σ = 18129233157840. Its totient is φ = 4604201041920.

The previous prime is 9783978903499. The next prime is 9783978903533. The reversal of 9783978903532 is 2353098793879.

It is not an unprimeable number, because it can be changed into a prime (9783978903533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24017644 + ... + 24421612.

It is an arithmetic number, because the mean of its divisors is an integer number (755384714910).

Almost surely, 2^{9783978903532} is an apocalyptic number.

It is an amenable number.

9783978903532 is a deficient number, since it is larger than the sum of its proper divisors (8345254254308).

9783978903532 is a wasteful number, since it uses less digits than its factorization.

9783978903532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760161 (or 760159 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 73.

The spelling of 9783978903532 in words is "nine trillion, seven hundred eighty-three billion, nine hundred seventy-eight million, nine hundred three thousand, five hundred thirty-two".