97061818 has 16 divisors (see below), whose sum is σ = 166590144. Its totient is φ = 41548320.

The previous prime is 97061803. The next prime is 97061821. The reversal of 97061818 is 81816079.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (10411884).

Almost surely, 2^97061818 is an apocalyptic number.

97061818 is a deficient number, since it is larger than the sum of its proper divisors (69528326).

97061818 is a wasteful number, since it uses less digits than its factorization.

97061818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 97061818 is about 9851.9956354030. The cubic root of 97061818 is about 459.5676750979.

It can be divided in two parts, 97061 and 818, that added together give a palindrome (97879).

The spelling of 97061818 in words is "ninety-seven million, sixty-one thousand, eight hundred eighteen".