197072663 has 2 divisors, whose sum is σ = 197072664. Its totient is φ = 197072662.

The previous prime is 197072657. The next prime is 197072677. The reversal of 197072663 is 366270791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197072663 - 2²² = 192878359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197072663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197072633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98536331 + 98536332.

It is an arithmetic number, because the mean of its divisors is an integer number (98536332).

Almost surely, 2^197072663 is an apocalyptic number.

197072663 is a deficient number, since it is larger than the sum of its proper divisors (1).

197072663 is an equidigital number, since it uses as much as digits as its factorization.

197072663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 197072663 is about 14038.2571211671. The cubic root of 197072663 is about 581.9363177882.

The spelling of 197072663 in words is "one hundred ninety-seven million, seventy-two thousand, six hundred sixty-three".