97950818 has 16 divisors (see below), whose sum is σ = 171821760. Its totient is φ = 41002416.

The previous prime is 97950817. The next prime is 97950823. The reversal of 97950818 is 81805979.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97950817) 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, 80753 + ... + 81956.

It is an arithmetic number, because the mean of its divisors is an integer number (10738860).

Almost surely, 2^97950818 is an apocalyptic number.

97950818 is a deficient number, since it is larger than the sum of its proper divisors (73870942).

97950818 is a wasteful number, since it uses less digits than its factorization.

97950818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162761.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 97950818 is about 9897.0105587495. The cubic root of 97950818 is about 460.9664902873.

The spelling of 97950818 in words is "ninety-seven million, nine hundred fifty thousand, eight hundred eighteen".