106778000737 has 2 divisors, whose sum is σ = 106778000738. Its totient is φ = 106778000736.

The previous prime is 106778000731. The next prime is 106778000761. The reversal of 106778000737 is 737000877601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57208985856 + 49569014881 = 239184^2 + 222641^2 .

It is a cyclic number.

It is not a de Polignac number, because 106778000737 - 2²³ = 106769612129 is a prime.

It is a super-2 number, since 2×106778000737² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106778000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53389000368 + 53389000369.

It is an arithmetic number, because the mean of its divisors is an integer number (53389000369).

Almost surely, 2^106778000737 is an apocalyptic number.

It is an amenable number.

106778000737 is a deficient number, since it is larger than the sum of its proper divisors (1).

106778000737 is an equidigital number, since it uses as much as digits as its factorization.

106778000737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 106778000737 in words is "one hundred six billion, seven hundred seventy-eight million, seven hundred thirty-seven", and thus it is an aban number.