97187641 has 8 divisors (see below), whose sum is σ = 105068480. Its totient is φ = 89583408.

The previous prime is 97187633. The next prime is 97187647. The reversal of 97187641 is 14678179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97187641 - 2³ = 97187633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97187647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68421 + ... + 69826.

It is an arithmetic number, because the mean of its divisors is an integer number (13133560).

Almost surely, 2^97187641 is an apocalyptic number.

It is an amenable number.

97187641 is a deficient number, since it is larger than the sum of its proper divisors (7880839).

97187641 is a wasteful number, since it uses less digits than its factorization.

97187641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138303.

The product of its digits is 84672, while the sum is 43.

The square root of 97187641 is about 9858.3792278447. The cubic root of 97187641 is about 459.7661713297.

The spelling of 97187641 in words is "ninety-seven million, one hundred eighty-seven thousand, six hundred forty-one".