36778031 has 2 divisors, whose sum is σ = 36778032. Its totient is φ = 36778030.

The previous prime is 36778019. The next prime is 36778043. The reversal of 36778031 is 13087763.

It is a balanced prime because it is at equal distance from previous prime (36778019) and next prime (36778043).

It is a cyclic number.

It is not a de Polignac number, because 36778031 - 2⁶ = 36777967 is a prime.

It is a super-2 number, since 2×36778031² = 2705247128473922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36777982 and 36778000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36778331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18389015 + 18389016.

It is an arithmetic number, because the mean of its divisors is an integer number (18389016).

Almost surely, 2^36778031 is an apocalyptic number.

36778031 is a deficient number, since it is larger than the sum of its proper divisors (1).

36778031 is an equidigital number, since it uses as much as digits as its factorization.

36778031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 36778031 is about 6064.4893437123. The cubic root of 36778031 is about 332.5544968809.

The spelling of 36778031 in words is "thirty-six million, seven hundred seventy-eight thousand, thirty-one".