97733997 has 6 divisors (see below), whose sum is σ = 141171342. Its totient is φ = 65155992.

The previous prime is 97733971. The next prime is 97734001. The reversal of 97733997 is 79933779.

It can be written as a sum of positive squares in only one way, i.e., 94070601 + 3663396 = 9699^2 + 1914^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97733997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97733497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5429658 + ... + 5429675.

It is an arithmetic number, because the mean of its divisors is an integer number (23528557).

Almost surely, 2^97733997 is an apocalyptic number.

It is an amenable number.

97733997 is a deficient number, since it is larger than the sum of its proper divisors (43437345).

97733997 is a wasteful number, since it uses less digits than its factorization.

97733997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859339 (or 10859336 counting only the distinct ones).

The product of its digits is 2250423, while the sum is 54.

The square root of 97733997 is about 9886.0506270199. The cubic root of 97733997 is about 460.6261118029.

The spelling of 97733997 in words is "ninety-seven million, seven hundred thirty-three thousand, nine hundred ninety-seven".