61047306587 has 2 divisors, whose sum is σ = 61047306588. Its totient is φ = 61047306586.

The previous prime is 61047306559. The next prime is 61047306599. The reversal of 61047306587 is 78560374016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61047306587 - 2¹⁶ = 61047241051 is a prime.

It is not a weakly prime, because it can be changed into another prime (61047306517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523653293 + 30523653294.

It is an arithmetic number, because the mean of its divisors is an integer number (30523653294).

Almost surely, 2^61047306587 is an apocalyptic number.

61047306587 is a deficient number, since it is larger than the sum of its proper divisors (1).

61047306587 is an equidigital number, since it uses as much as digits as its factorization.

61047306587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 61047306587 in words is "sixty-one billion, forty-seven million, three hundred six thousand, five hundred eighty-seven".