1077186157 has 2 divisors, whose sum is σ = 1077186158. Its totient is φ = 1077186156.

The previous prime is 1077186137. The next prime is 1077186167. The reversal of 1077186157 is 7516817701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637613001 + 439573156 = 25251^2 + 20966^2 .

It is an emirp because it is prime and its reverse (7516817701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1077186157 - 2¹¹ = 1077184109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077186107) 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, 538593078 + 538593079.

It is an arithmetic number, because the mean of its divisors is an integer number (538593079).

Almost surely, 2^1077186157 is an apocalyptic number.

It is an amenable number.

1077186157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077186157 is an equidigital number, since it uses as much as digits as its factorization.

1077186157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 43.

The square root of 1077186157 is about 32820.5142708033. The cubic root of 1077186157 is about 1025.0937552948.

The spelling of 1077186157 in words is "one billion, seventy-seven million, one hundred eighty-six thousand, one hundred fifty-seven".