197466478 has 32 divisors (see below), whose sum is σ = 330075648. Its totient is φ = 87847200.

The previous prime is 197466473. The next prime is 197466491. The reversal of 197466478 is 874664791.

Its product of digits (2032128) is a multiple of the sum of its prime divisors (1008).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197466473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260476 + ... + 261232.

It is an arithmetic number, because the mean of its divisors is an integer number (10314864).

Almost surely, 2^197466478 is an apocalyptic number.

197466478 is a deficient number, since it is larger than the sum of its proper divisors (132609170).

197466478 is a wasteful number, since it uses less digits than its factorization.

197466478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its digits is 2032128, while the sum is 52.

The square root of 197466478 is about 14052.2766127059. The cubic root of 197466478 is about 582.3236922745.

It can be divided in two parts, 1 and 97466478, that added together give a palindrome (97466479).

The spelling of 197466478 in words is "one hundred ninety-seven million, four hundred sixty-six thousand, four hundred seventy-eight".