97179681 has 8 divisors (see below), whose sum is σ = 131507104. Its totient is φ = 63819360.

The previous prime is 97179673. The next prime is 97179689. The reversal of 97179681 is 18697179.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97179673) and next prime (97179689).

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

It is not a de Polignac number, because 97179681 - 2³ = 97179673 is a prime.

It is a super-2 number, since 2×97179681² = 18887780798523522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97179681.

It is not an unprimeable number, because it can be changed into a prime (97179689) 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, 241540 + ... + 241941.

It is an arithmetic number, because the mean of its divisors is an integer number (16438388).

Almost surely, 2^97179681 is an apocalyptic number.

It is an amenable number.

97179681 is a deficient number, since it is larger than the sum of its proper divisors (34327423).

97179681 is a wasteful number, since it uses less digits than its factorization.

97179681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483551.

The product of its digits is 190512, while the sum is 48.

The square root of 97179681 is about 9857.9755020998. The cubic root of 97179681 is about 459.7536188467.

The spelling of 97179681 in words is "ninety-seven million, one hundred seventy-nine thousand, six hundred eighty-one".