97866844 has 6 divisors (see below), whose sum is σ = 171266984. Its totient is φ = 48933420.

The previous prime is 97866809. The next prime is 97866869. The reversal of 97866844 is 44866879.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97866791 and 97866800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12233352 + ... + 12233359.

Almost surely, 2^97866844 is an apocalyptic number.

It is an amenable number.

97866844 is a deficient number, since it is larger than the sum of its proper divisors (73400140).

97866844 is a wasteful number, since it uses less digits than its factorization.

97866844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24466715 (or 24466713 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 97866844 is about 9892.7672569408. The cubic root of 97866844 is about 460.8347225696.

The spelling of 97866844 in words is "ninety-seven million, eight hundred sixty-six thousand, eight hundred forty-four".