115479819 has 36 divisors (see below), whose sum is σ = 208973856. Its totient is φ = 60909408.

The previous prime is 115479773. The next prime is 115479823. The reversal of 115479819 is 918974511.

It is a happy number.

115479819 is a `hidden beast` number, since 1 + 1 + 547 + 98 + 19 = 666.

It is not a de Polignac number, because 115479819 - 2⁹ = 115479307 is a prime.

It is a super-2 number, since 2×115479819² = 26671177192545522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115479839) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4339 + ... + 15804.

Almost surely, 2^115479819 is an apocalyptic number.

115479819 is a deficient number, since it is larger than the sum of its proper divisors (93494037).

115479819 is a wasteful number, since it uses less digits than its factorization.

115479819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176 (or 20166 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 115479819 is about 10746.1536839932. The cubic root of 115479819 is about 486.9698030628.

The spelling of 115479819 in words is "one hundred fifteen million, four hundred seventy-nine thousand, eight hundred nineteen".