9672785438154 has 16 divisors (see below), whose sum is σ = 19363977711840. Its totient is φ = 3221194006800.

The previous prime is 9672785438149. The next prime is 9672785438203. The reversal of 9672785438154 is 4518345872769.

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, 766944649 + ... + 766957260.

It is an arithmetic number, because the mean of its divisors is an integer number (1210248606990).

Almost surely, 2^{9672785438154} is an apocalyptic number.

9672785438154 is an abundant number, since it is smaller than the sum of its proper divisors (9691192273686).

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

9672785438154 is a wasteful number, since it uses less digits than its factorization.

9672785438154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533902965.

The product of its digits is 406425600, while the sum is 69.

The spelling of 9672785438154 in words is "nine trillion, six hundred seventy-two billion, seven hundred eighty-five million, four hundred thirty-eight thousand, one hundred fifty-four".