115477 has 4 divisors (see below), whose sum is σ = 118636. Its totient is φ = 112320.

The previous prime is 115471. The next prime is 115499. The reversal of 115477 is 774511.

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 40401 + 75076 = 201^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 115477 - 2³ = 115469 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 (115471) 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, 1524 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (29659).

2¹¹⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

115477 is a deficient number, since it is larger than the sum of its proper divisors (3159).

115477 is an equidigital number, since it uses as much as digits as its factorization.

115477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158.

The product of its digits is 980, while the sum is 25.

The square root of 115477 is about 339.8190695061. The cubic root of 115477 is about 48.6965840526.

Adding to 115477 its reverse (774511), we get a palindrome (889988).

The spelling of 115477 in words is "one hundred fifteen thousand, four hundred seventy-seven".