197132590079 has 8 divisors (see below), whose sum is σ = 203506163712. Its totient is φ = 190759920120.

The previous prime is 197132590027. The next prime is 197132590099. The reversal of 197132590079 is 970095231791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197132590079 is a prime.

It is a super-2 number, since 2×197132590079² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197132590079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197132590009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232202 + ... + 669464.

It is an arithmetic number, because the mean of its divisors is an integer number (25438270464).

Almost surely, 2^197132590079 is an apocalyptic number.

197132590079 is a deficient number, since it is larger than the sum of its proper divisors (6373573633).

197132590079 is a wasteful number, since it uses less digits than its factorization.

197132590079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451837.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The spelling of 197132590079 in words is "one hundred ninety-seven billion, one hundred thirty-two million, five hundred ninety thousand, seventy-nine".