196747397802 has 12 divisors (see below), whose sum is σ = 426286028610. Its totient is φ = 65582465928.

The previous prime is 196747397767. The next prime is 196747397807. The reversal of 196747397802 is 208793747691.

196747397802 is a `hidden beast` number, since 1 + 96 + 7 + 473 + 9 + 78 + 0 + 2 = 666.

196747397802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 106139775681 + 90607622121 = 325791^2 + 301011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 196747397802.

It is not an unprimeable number, because it can be changed into a prime (196747397807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5465205477 + ... + 5465205512.

Almost surely, 2^196747397802 is an apocalyptic number.

196747397802 is an abundant number, since it is smaller than the sum of its proper divisors (229538630808).

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

196747397802 is a wasteful number, since it uses less digits than its factorization.

196747397802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930410997 (or 10930410994 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 196747397802 in words is "one hundred ninety-six billion, seven hundred forty-seven million, three hundred ninety-seven thousand, eight hundred two".