77583133 has 2 divisors, whose sum is σ = 77583134. Its totient is φ = 77583132.

The previous prime is 77583113. The next prime is 77583167. The reversal of 77583133 is 33138577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54715609 + 22867524 = 7397^2 + 4782^2 .

It is an emirp because it is prime and its reverse (33138577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77583133 - 2⁵ = 77583101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77583092 and 77583101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77583113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38791566 + 38791567.

It is an arithmetic number, because the mean of its divisors is an integer number (38791567).

Almost surely, 2^77583133 is an apocalyptic number.

It is an amenable number.

77583133 is a deficient number, since it is larger than the sum of its proper divisors (1).

77583133 is an equidigital number, since it uses as much as digits as its factorization.

77583133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 77583133 is about 8808.1288024188. The cubic root of 77583133 is about 426.5033412831.

The spelling of 77583133 in words is "seventy-seven million, five hundred eighty-three thousand, one hundred thirty-three".