61080787 has 2 divisors, whose sum is σ = 61080788. Its totient is φ = 61080786.

The previous prime is 61080781. The next prime is 61080791. The reversal of 61080787 is 78708016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61080787 is a prime.

It is not a weakly prime, because it can be changed into another prime (61080781) 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, 30540393 + 30540394.

It is an arithmetic number, because the mean of its divisors is an integer number (30540394).

Almost surely, 2^61080787 is an apocalyptic number.

61080787 is a deficient number, since it is larger than the sum of its proper divisors (1).

61080787 is an equidigital number, since it uses as much as digits as its factorization.

61080787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 61080787 is about 7815.4198223768. The cubic root of 61080787 is about 393.8234218672.

The spelling of 61080787 in words is "sixty-one million, eighty thousand, seven hundred eighty-seven".