115479773 has 2 divisors, whose sum is σ = 115479774. Its totient is φ = 115479772.

The previous prime is 115479737. The next prime is 115479823. The reversal of 115479773 is 377974511.

It is a happy number.

Together with previous prime (115479737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102677689 + 12802084 = 10133^2 + 3578^2 .

It is an emirp because it is prime and its reverse (377974511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115479773 - 2⁶ = 115479709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115479713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57739886 + 57739887.

It is an arithmetic number, because the mean of its divisors is an integer number (57739887).

Almost surely, 2^115479773 is an apocalyptic number.

It is an amenable number.

115479773 is a deficient number, since it is larger than the sum of its proper divisors (1).

115479773 is an equidigital number, since it uses as much as digits as its factorization.

115479773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 44.

The square root of 115479773 is about 10746.1515436923. The cubic root of 115479773 is about 486.9697384033.

The spelling of 115479773 in words is "one hundred fifteen million, four hundred seventy-nine thousand, seven hundred seventy-three".