197880712903 has 4 divisors (see below), whose sum is σ = 198183746808. Its totient is φ = 197577679000.

The previous prime is 197880712901. The next prime is 197880712919. The reversal of 197880712903 is 309217088791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309217088791 = 13 ⋅23785929907.

It is a cyclic number.

It is not a de Polignac number, because 197880712903 - 2¹ = 197880712901 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 (197880712901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151515973 + ... + 151517278.

It is an arithmetic number, because the mean of its divisors is an integer number (49545936702).

Almost surely, 2^197880712903 is an apocalyptic number.

197880712903 is a deficient number, since it is larger than the sum of its proper divisors (303033905).

197880712903 is an equidigital number, since it uses as much as digits as its factorization.

197880712903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303033904.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 197880712903 in words is "one hundred ninety-seven billion, eight hundred eighty million, seven hundred twelve thousand, nine hundred three".