97118773 has 4 divisors (see below), whose sum is σ = 102831660. Its totient is φ = 91405888.

The previous prime is 97118761. The next prime is 97118783. The reversal of 97118773 is 37781179.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29517489 + 67601284 = 5433^2 + 8222^2 .

It is a cyclic number.

It is not a de Polignac number, because 97118773 - 2⁵ = 97118741 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 (97118713) 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, 2856418 + ... + 2856451.

It is an arithmetic number, because the mean of its divisors is an integer number (25707915).

Almost surely, 2^97118773 is an apocalyptic number.

It is an amenable number.

97118773 is a deficient number, since it is larger than the sum of its proper divisors (5712887).

97118773 is a wasteful number, since it uses less digits than its factorization.

97118773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712886.

The product of its digits is 74088, while the sum is 43.

The square root of 97118773 is about 9854.8857426152. The cubic root of 97118773 is about 459.6575475780.

The spelling of 97118773 in words is "ninety-seven million, one hundred eighteen thousand, seven hundred seventy-three".