97928611 has 12 divisors (see below), whose sum is σ = 107821224. Its totient is φ = 88208000.

The previous prime is 97928609. The next prime is 97928627. The reversal of 97928611 is 11682979.

It is not a de Polignac number, because 97928611 - 2¹ = 97928609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97928111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244011 + ... + 244411.

It is an arithmetic number, because the mean of its divisors is an integer number (8985102).

Almost surely, 2^97928611 is an apocalyptic number.

97928611 is a deficient number, since it is larger than the sum of its proper divisors (9892613).

97928611 is a wasteful number, since it uses less digits than its factorization.

97928611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 561 counting only the distinct ones).

The product of its digits is 54432, while the sum is 43.

The square root of 97928611 is about 9895.8885907229. Note that the first 3 decimals coincide. The cubic root of 97928611 is about 460.9316515225.

The spelling of 97928611 in words is "ninety-seven million, nine hundred twenty-eight thousand, six hundred eleven".