97870 has 8 divisors (see below), whose sum is σ = 176184. Its totient is φ = 39144.

The previous prime is 97861. The next prime is 97871. The reversal of 97870 is 7879.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4884 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (22023).

2⁹⁷⁸⁷⁰ is an apocalyptic number.

97870 is a deficient number, since it is larger than the sum of its proper divisors (78314).

97870 is a wasteful number, since it uses less digits than its factorization.

97870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 97870 is about 312.8418130621. The cubic root of 97870 is about 46.0839676167.

The spelling of 97870 in words is "ninety-seven thousand, eight hundred seventy".