61677283865 has 8 divisors (see below), whose sum is σ = 77908148160. Its totient is φ = 46744888752.

The previous prime is 61677283849. The next prime is 61677283873. The reversal of 61677283865 is 56838277616.

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 61677283865 - 2⁴ = 61677283849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324617189 + ... + 324617378.

It is an arithmetic number, because the mean of its divisors is an integer number (9738518520).

Almost surely, 2^61677283865 is an apocalyptic number.

It is an amenable number.

61677283865 is a deficient number, since it is larger than the sum of its proper divisors (16230864295).

61677283865 is a wasteful number, since it uses less digits than its factorization.

61677283865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649234591.

The product of its digits is 20321280, while the sum is 59.

The spelling of 61677283865 in words is "sixty-one billion, six hundred seventy-seven million, two hundred eighty-three thousand, eight hundred sixty-five".