115442777 has 2 divisors, whose sum is σ = 115442778. Its totient is φ = 115442776.

The previous prime is 115442771. The next prime is 115442807. The reversal of 115442777 is 777244511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 1038361 = 10696^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 115442777 - 2¹⁴ = 115426393 is a prime.

It is a super-2 number, since 2×115442777² = 26654069522943458, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115442777.

It is not a weakly prime, because it can be changed into another prime (115442771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57721388 + 57721389.

It is an arithmetic number, because the mean of its divisors is an integer number (57721389).

Almost surely, 2^115442777 is an apocalyptic number.

It is an amenable number.

115442777 is a deficient number, since it is larger than the sum of its proper divisors (1).

115442777 is an equidigital number, since it uses as much as digits as its factorization.

115442777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 38.

The square root of 115442777 is about 10744.4300453770. The cubic root of 115442777 is about 486.9177297088.

The spelling of 115442777 in words is "one hundred fifteen million, four hundred forty-two thousand, seven hundred seventy-seven".