97810963 has 4 divisors (see below), whose sum is σ = 98760688. Its totient is φ = 96861240.

The previous prime is 97810961. The next prime is 97810981. The reversal of 97810963 is 36901879.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97810963 - 2¹ = 97810961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97810961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474708 + ... + 474913.

It is an arithmetic number, because the mean of its divisors is an integer number (24690172).

Almost surely, 2^97810963 is an apocalyptic number.

97810963 is a deficient number, since it is larger than the sum of its proper divisors (949725).

97810963 is a wasteful number, since it uses less digits than its factorization.

97810963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949724.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 97810963 is about 9889.9425175276. The cubic root of 97810963 is about 460.7469951807.

The spelling of 97810963 in words is "ninety-seven million, eight hundred ten thousand, nine hundred sixty-three".