115872881 has 2 divisors, whose sum is σ = 115872882. Its totient is φ = 115872880.

The previous prime is 115872877. The next prime is 115872931. The reversal of 115872881 is 188278511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71250481 + 44622400 = 8441^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 115872881 - 2² = 115872877 is a prime.

It is a super-2 number, since 2×115872881² = 26853049102480322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115872821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57936440 + 57936441.

It is an arithmetic number, because the mean of its divisors is an integer number (57936441).

Almost surely, 2^115872881 is an apocalyptic number.

It is an amenable number.

115872881 is a deficient number, since it is larger than the sum of its proper divisors (1).

115872881 is an equidigital number, since it uses as much as digits as its factorization.

115872881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 41.

The square root of 115872881 is about 10764.4266452050. The cubic root of 115872881 is about 487.5216817883.

The spelling of 115872881 in words is "one hundred fifteen million, eight hundred seventy-two thousand, eight hundred eighty-one".