97928871 has 16 divisors (see below), whose sum is σ = 139152384. Its totient is φ = 61116704.

The previous prime is 97928827. The next prime is 97928879. The reversal of 97928871 is 17882979.

It is not a de Polignac number, because 97928871 - 2⁹ = 97928359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97928879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11856 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (8697024).

Almost surely, 2^97928871 is an apocalyptic number.

97928871 is a deficient number, since it is larger than the sum of its proper divisors (41223513).

97928871 is a wasteful number, since it uses less digits than its factorization.

97928871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30270.

The product of its digits is 508032, while the sum is 51.

The square root of 97928871 is about 9895.9017274829. The cubic root of 97928871 is about 460.9320594459.

The spelling of 97928871 in words is "ninety-seven million, nine hundred twenty-eight thousand, eight hundred seventy-one".