77370133 has 2 divisors, whose sum is σ = 77370134. Its totient is φ = 77370132.

The previous prime is 77370127. The next prime is 77370199. The reversal of 77370133 is 33107377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 31102929 = 6802^2 + 5577^2 .

It is a cyclic number.

It is not a de Polignac number, because 77370133 - 2⁵ = 77370101 is a prime.

It is a super-2 number, since 2×77370133² = 11972274960875378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77370095 and 77370104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77370533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38685066 + 38685067.

It is an arithmetic number, because the mean of its divisors is an integer number (38685067).

Almost surely, 2^77370133 is an apocalyptic number.

It is an amenable number.

77370133 is a deficient number, since it is larger than the sum of its proper divisors (1).

77370133 is an equidigital number, since it uses as much as digits as its factorization.

77370133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 31.

The square root of 77370133 is about 8796.0293883093. The cubic root of 77370133 is about 426.1126701325.

The spelling of 77370133 in words is "seventy-seven million, three hundred seventy thousand, one hundred thirty-three".