97712773 has 4 divisors (see below), whose sum is σ = 97765920. Its totient is φ = 97659628.

The previous prime is 97712767. The next prime is 97712777. The reversal of 97712773 is 37721779.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37721779 = 29 ⋅1300751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97712773 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 (97712777) 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, 23713 + ... + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (24441480).

Almost surely, 2^97712773 is an apocalyptic number.

It is an amenable number.

97712773 is a deficient number, since it is larger than the sum of its proper divisors (53147).

97712773 is a wasteful number, since it uses less digits than its factorization.

97712773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53146.

The product of its digits is 129654, while the sum is 43.

The square root of 97712773 is about 9884.9771370499. The cubic root of 97712773 is about 460.5927660663.

It can be divided in two parts, 9771 and 2773, that added together give a square (12544 = 112²).

The spelling of 97712773 in words is "ninety-seven million, seven hundred twelve thousand, seven hundred seventy-three".