197263870 has 16 divisors (see below), whose sum is σ = 370513440. Its totient is φ = 75474784.

The previous prime is 197263823. The next prime is 197263877. The reversal of 197263870 is 78362791.

It is a happy number.

197263870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197263877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428605 + ... + 429064.

It is an arithmetic number, because the mean of its divisors is an integer number (23157090).

Almost surely, 2^197263870 is an apocalyptic number.

197263870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197263870 is a deficient number, since it is larger than the sum of its proper divisors (173249570).

197263870 is a wasteful number, since it uses less digits than its factorization.

197263870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857699.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 197263870 is about 14045.0656815837. The cubic root of 197263870 is about 582.1244621492.

The spelling of 197263870 in words is "one hundred ninety-seven million, two hundred sixty-three thousand, eight hundred seventy".