197076631 has 12 divisors (see below), whose sum is σ = 212732352. Its totient is φ = 181940096.

The previous prime is 197076629. The next prime is 197076643. The reversal of 197076631 is 136670791.

It is a happy number.

It is not a de Polignac number, because 197076631 - 2¹ = 197076629 is a prime.

It is a super-2 number, since 2×197076631² = 77678396972620322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197076661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45690 + ... + 49816.

It is an arithmetic number, because the mean of its divisors is an integer number (17727696).

Almost surely, 2^197076631 is an apocalyptic number.

197076631 is a deficient number, since it is larger than the sum of its proper divisors (15655721).

197076631 is an equidigital number, since it uses as much as digits as its factorization.

197076631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 197076631 is about 14038.3984485411. The cubic root of 197076631 is about 581.9402234674.

The spelling of 197076631 in words is "one hundred ninety-seven million, seventy-six thousand, six hundred thirty-one".