197890086413 has 8 divisors (see below), whose sum is σ = 200345529600. Its totient is φ = 195439798048.

The previous prime is 197890086409. The next prime is 197890086431. The reversal of 197890086413 is 314680098791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197890086413 - 2² = 197890086409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197890086403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211423 + ... + 1365036.

It is an arithmetic number, because the mean of its divisors is an integer number (25043191200).

Almost surely, 2^197890086413 is an apocalyptic number.

It is an amenable number.

197890086413 is a deficient number, since it is larger than the sum of its proper divisors (2455443187).

197890086413 is an equidigital number, since it uses as much as digits as its factorization.

197890086413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577411.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 197890086413 in words is "one hundred ninety-seven billion, eight hundred ninety million, eighty-six thousand, four hundred thirteen".