197223920862 has 32 divisors (see below), whose sum is σ = 403310544768. Its totient is φ = 64272957216.

The previous prime is 197223920779. The next prime is 197223920941. The reversal of 197223920862 is 268029322791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005768 + ... + 1185755.

It is an arithmetic number, because the mean of its divisors is an integer number (12603454524).

Almost surely, 2^197223920862 is an apocalyptic number.

197223920862 is an abundant number, since it is smaller than the sum of its proper divisors (206086623906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197223920862 is a wasteful number, since it uses less digits than its factorization.

197223920862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191864.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 197223920862 in words is "one hundred ninety-seven billion, two hundred twenty-three million, nine hundred twenty thousand, eight hundred sixty-two".