97783 has 8 divisors (see below), whose sum is σ = 114080. Its totient is φ = 82080.

The previous prime is 97777. The next prime is 97787. The reversal of 97783 is 38779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97783 - 2¹³ = 89591 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97787) 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, 313 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (14260).

2⁹⁷⁷⁸³ is an apocalyptic number.

97783 is a deficient number, since it is larger than the sum of its proper divisors (16297).

97783 is a wasteful number, since it uses less digits than its factorization.

97783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its digits is 10584, while the sum is 34.

The square root of 97783 is about 312.7027342381. The cubic root of 97783 is about 46.0703083620.

The spelling of 97783 in words is "ninety-seven thousand, seven hundred eighty-three".