1150077997 has 2 divisors, whose sum is σ = 1150077998. Its totient is φ = 1150077996.

The previous prime is 1150077979. The next prime is 1150078009. The reversal of 1150077997 is 7997700511.

Together with previous prime (1150077979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882624681 + 267453316 = 29709^2 + 16354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150077997 - 2⁷ = 1150077869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150077977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575038998 + 575038999.

It is an arithmetic number, because the mean of its divisors is an integer number (575038999).

Almost surely, 2^1150077997 is an apocalyptic number.

It is an amenable number.

1150077997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150077997 is an equidigital number, since it uses as much as digits as its factorization.

1150077997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138915, while the sum is 46.

The square root of 1150077997 is about 33912.7998991531. The cubic root of 1150077997 is about 1047.7132386194.

The spelling of 1150077997 in words is "one billion, one hundred fifty million, seventy-seven thousand, nine hundred ninety-seven".