9197836478620 has 24 divisors (see below), whose sum is σ = 19317072247200. Its totient is φ = 3678826850112.

The previous prime is 9197836478617. The next prime is 9197836478641. The reversal of 9197836478620 is 268746387919.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9197836478620.

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, 18988675 + ... + 19467034.

It is an arithmetic number, because the mean of its divisors is an integer number (804878010300).

Almost surely, 2^{9197836478620} is an apocalyptic number.

It is an amenable number.

9197836478620 is an abundant number, since it is smaller than the sum of its proper divisors (10119235768580).

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

9197836478620 is a wasteful number, since it uses less digits than its factorization.

9197836478620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38467677 (or 38467675 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 9197836478620 in words is "nine trillion, one hundred ninety-seven billion, eight hundred thirty-six million, four hundred seventy-eight thousand, six hundred twenty".