61047382087 has 8 divisors (see below), whose sum is σ = 61189113104. Its totient is φ = 60905789568.

The previous prime is 61047382051. The next prime is 61047382111. The reversal of 61047382087 is 78028374016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61047382087 - 2⁷ = 61047381959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61047382027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875503 + ... + 942655.

It is an arithmetic number, because the mean of its divisors is an integer number (7648639138).

Almost surely, 2^61047382087 is an apocalyptic number.

61047382087 is a deficient number, since it is larger than the sum of its proper divisors (141731017).

61047382087 is a wasteful number, since it uses less digits than its factorization.

61047382087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69249.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 61047382087 in words is "sixty-one billion, forty-seven million, three hundred eighty-two thousand, eighty-seven".