97703797 has 4 divisors (see below), whose sum is σ = 97747020. Its totient is φ = 97660576.

The previous prime is 97703773. The next prime is 97703807. The reversal of 97703797 is 79730779.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79730779 = 4201 ⋅18979.

It can be written as a sum of positive squares in 2 ways, for example, as 53494596 + 44209201 = 7314^2 + 6649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97703797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97703797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97703737) 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, 18022 + ... + 22807.

It is an arithmetic number, because the mean of its divisors is an integer number (24436755).

Almost surely, 2^97703797 is an apocalyptic number.

It is an amenable number.

97703797 is a deficient number, since it is larger than the sum of its proper divisors (43223).

97703797 is a wasteful number, since it uses less digits than its factorization.

97703797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43222.

The product of its (nonzero) digits is 583443, while the sum is 49.

The square root of 97703797 is about 9884.5231043283. The cubic root of 97703797 is about 460.5786621195.

The spelling of 97703797 in words is "ninety-seven million, seven hundred three thousand, seven hundred ninety-seven".