76786133 has 2 divisors, whose sum is σ = 76786134. Its totient is φ = 76786132.

The previous prime is 76786117. The next prime is 76786139. The reversal of 76786133 is 33168767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 35736484 = 6407^2 + 5978^2 .

It is an emirp because it is prime and its reverse (33168767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76786133 - 2⁴ = 76786117 is a prime.

It is a super-2 number, since 2×76786133² = 11792220442187378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76786139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38393066 + 38393067.

It is an arithmetic number, because the mean of its divisors is an integer number (38393067).

Almost surely, 2^76786133 is an apocalyptic number.

It is an amenable number.

76786133 is a deficient number, since it is larger than the sum of its proper divisors (1).

76786133 is an equidigital number, since it uses as much as digits as its factorization.

76786133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 76786133 is about 8762.7697105424. The cubic root of 76786133 is about 425.0378429971.

The spelling of 76786133 in words is "seventy-six million, seven hundred eighty-six thousand, one hundred thirty-three".