37778098433 has 2 divisors, whose sum is σ = 37778098434. Its totient is φ = 37778098432.

The previous prime is 37778098387. The next prime is 37778098471. The reversal of 37778098433 is 33489087773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32289214864 + 5488883569 = 179692^2 + 74087^2 .

It is a cyclic number.

It is not a de Polignac number, because 37778098433 - 2¹² = 37778094337 is a prime.

It is not a weakly prime, because it can be changed into another prime (37778098333) 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, 18889049216 + 18889049217.

It is an arithmetic number, because the mean of its divisors is an integer number (18889049217).

Almost surely, 2^37778098433 is an apocalyptic number.

It is an amenable number.

37778098433 is a deficient number, since it is larger than the sum of its proper divisors (1).

37778098433 is an equidigital number, since it uses as much as digits as its factorization.

37778098433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 37778098433 in words is "thirty-seven billion, seven hundred seventy-eight million, ninety-eight thousand, four hundred thirty-three".