37344396779 has 2 divisors, whose sum is σ = 37344396780. Its totient is φ = 37344396778.

The previous prime is 37344396679. The next prime is 37344396797. The reversal of 37344396779 is 97769344373.

It is a happy number.

Together with next prime (37344396797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37344396779 is a prime.

It is not a weakly prime, because it can be changed into another prime (37344396679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18672198389 + 18672198390.

It is an arithmetic number, because the mean of its divisors is an integer number (18672198390).

Almost surely, 2^37344396779 is an apocalyptic number.

37344396779 is a deficient number, since it is larger than the sum of its proper divisors (1).

37344396779 is an equidigital number, since it uses as much as digits as its factorization.

37344396779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 62.

The spelling of 37344396779 in words is "thirty-seven billion, three hundred forty-four million, three hundred ninety-six thousand, seven hundred seventy-nine".