115479877 has 2 divisors, whose sum is σ = 115479878. Its totient is φ = 115479876.

The previous prime is 115479869. The next prime is 115479887. The reversal of 115479877 is 778974511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115218756 + 261121 = 10734^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 115479877 - 2³ = 115479869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115479877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115479887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57739938 + 57739939.

It is an arithmetic number, because the mean of its divisors is an integer number (57739939).

Almost surely, 2^115479877 is an apocalyptic number.

It is an amenable number.

115479877 is a deficient number, since it is larger than the sum of its proper divisors (1).

115479877 is an equidigital number, since it uses as much as digits as its factorization.

115479877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 49.

The square root of 115479877 is about 10746.1563826328. The cubic root of 115479877 is about 486.9698845900.

The spelling of 115479877 in words is "one hundred fifteen million, four hundred seventy-nine thousand, eight hundred seventy-seven".