65787002005 has 32 divisors (see below), whose sum is σ = 85683806208. Its totient is φ = 48345211200.

The previous prime is 65787001963. The next prime is 65787002069. The reversal of 65787002005 is 50020078756.

It is not a de Polignac number, because 65787002005 - 2⁹ = 65787001493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396582 + ... + 537448.

It is an arithmetic number, because the mean of its divisors is an integer number (2677618944).

Almost surely, 2^65787002005 is an apocalyptic number.

It is an amenable number.

65787002005 is a deficient number, since it is larger than the sum of its proper divisors (19896804203).

65787002005 is a wasteful number, since it uses less digits than its factorization.

65787002005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141057.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 65787002005 in words is "sixty-five billion, seven hundred eighty-seven million, two thousand, five".