61010878337 has 2 divisors, whose sum is σ = 61010878338. Its totient is φ = 61010878336.

The previous prime is 61010878307. The next prime is 61010878373. The reversal of 61010878337 is 73387801016.

Together with next prime (61010878373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60744503296 + 266375041 = 246464^2 + 16321^2 .

It is a cyclic number.

It is not a de Polignac number, because 61010878337 - 2⁸ = 61010878081 is a prime.

It is not a weakly prime, because it can be changed into another prime (61010878307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505439168 + 30505439169.

It is an arithmetic number, because the mean of its divisors is an integer number (30505439169).

Almost surely, 2^61010878337 is an apocalyptic number.

It is an amenable number.

61010878337 is a deficient number, since it is larger than the sum of its proper divisors (1).

61010878337 is an equidigital number, since it uses as much as digits as its factorization.

61010878337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 61010878337 in words is "sixty-one billion, ten million, eight hundred seventy-eight thousand, three hundred thirty-seven".