115773489 has 32 divisors (see below), whose sum is σ = 185360000. Its totient is φ = 70994880.

The previous prime is 115773487. The next prime is 115773491. The reversal of 115773489 is 984377511.

It is an interprime number because it is at equal distance from previous prime (115773487) and next prime (115773491).

It is not a de Polignac number, because 115773489 - 2¹ = 115773487 is a prime.

It is a Duffinian number.

Its product of digits (211680) is a multiple of the sum of its prime divisors (1176).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115773487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174819 + ... + 175479.

It is an arithmetic number, because the mean of its divisors is an integer number (5792500).

Almost surely, 2^115773489 is an apocalyptic number.

It is an amenable number.

115773489 is a deficient number, since it is larger than the sum of its proper divisors (69586511).

115773489 is a wasteful number, since it uses less digits than its factorization.

115773489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1176 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 115773489 is about 10759.8089667057. The cubic root of 115773489 is about 487.3822484835.

The spelling of 115773489 in words is "one hundred fifteen million, seven hundred seventy-three thousand, four hundred eighty-nine".