77063137 has 2 divisors, whose sum is σ = 77063138. Its totient is φ = 77063136.

The previous prime is 77063123. The next prime is 77063167. The reversal of 77063137 is 73136077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73342096 + 3721041 = 8564^2 + 1929^2 .

It is a cyclic number.

It is not a de Polignac number, because 77063137 - 2¹⁹ = 76538849 is a prime.

It is not a weakly prime, because it can be changed into another prime (77063167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38531568 + 38531569.

It is an arithmetic number, because the mean of its divisors is an integer number (38531569).

Almost surely, 2^77063137 is an apocalyptic number.

It is an amenable number.

77063137 is a deficient number, since it is larger than the sum of its proper divisors (1).

77063137 is an equidigital number, since it uses as much as digits as its factorization.

77063137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 77063137 is about 8778.5612146866. The cubic root of 77063137 is about 425.5483339897.

The spelling of 77063137 in words is "seventy-seven million, sixty-three thousand, one hundred thirty-seven".