115047789477 has 16 divisors (see below), whose sum is σ = 156914065728. Its totient is φ = 74951552000.

The previous prime is 115047789431. The next prime is 115047789509. The reversal of 115047789477 is 774987740511.

It is a cyclic number.

It is not a de Polignac number, because 115047789477 - 2⁶ = 115047789413 is a prime.

It is a super-2 number, since 2×115047789477² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115047789477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115047789877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401468 + ... + 1481285.

It is an arithmetic number, because the mean of its divisors is an integer number (9807129108).

Almost surely, 2^115047789477 is an apocalyptic number.

It is an amenable number.

115047789477 is a deficient number, since it is larger than the sum of its proper divisors (41866276251).

115047789477 is a wasteful number, since it uses less digits than its factorization.

115047789477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883060.

The product of its (nonzero) digits is 13829760, while the sum is 60.

The spelling of 115047789477 in words is "one hundred fifteen billion, forty-seven million, seven hundred eighty-nine thousand, four hundred seventy-seven".