97892171 has 16 divisors (see below), whose sum is σ = 111988800. Its totient is φ = 84768768.

The previous prime is 97892167. The next prime is 97892177. The reversal of 97892171 is 17129879.

It is a cyclic number.

It is not a de Polignac number, because 97892171 - 2² = 97892167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97892177) 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 15 ways as a sum of consecutive naturals, for example, 96515 + ... + 97523.

It is an arithmetic number, because the mean of its divisors is an integer number (6999300).

Almost surely, 2^97892171 is an apocalyptic number.

97892171 is a deficient number, since it is larger than the sum of its proper divisors (14096629).

97892171 is a wasteful number, since it uses less digits than its factorization.

97892171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its digits is 63504, while the sum is 44.

The square root of 97892171 is about 9894.0472507463. The cubic root of 97892171 is about 460.8744723420.

The spelling of 97892171 in words is "ninety-seven million, eight hundred ninety-two thousand, one hundred seventy-one".