97663933 has 4 divisors (see below), whose sum is σ = 102804160. Its totient is φ = 92523708.

The previous prime is 97663921. The next prime is 97663949. The reversal of 97663933 is 33936679.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97663933 - 2⁵ = 97663901 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 (97663903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570085 + ... + 2570122.

It is an arithmetic number, because the mean of its divisors is an integer number (25701040).

Almost surely, 2^97663933 is an apocalyptic number.

It is an amenable number.

97663933 is a deficient number, since it is larger than the sum of its proper divisors (5140227).

97663933 is a wasteful number, since it uses less digits than its factorization.

97663933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140226.

The product of its digits is 551124, while the sum is 46.

The square root of 97663933 is about 9882.5064128489. The cubic root of 97663933 is about 460.5160135633.

It can be divided in two parts, 97663 and 933, that added together give a square (98596 = 314²).

The spelling of 97663933 in words is "ninety-seven million, six hundred sixty-three thousand, nine hundred thirty-three".