65880955 has 8 divisors (see below), whose sum is σ = 90351072. Its totient is φ = 45175488.

The previous prime is 65880931. The next prime is 65880977. The reversal of 65880955 is 55908856.

It is a happy number.

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 65880955 - 2⁷ = 65880827 is a prime.

It is an unprimeable number.

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, 941122 + ... + 941191.

It is an arithmetic number, because the mean of its divisors is an integer number (11293884).

Almost surely, 2^65880955 is an apocalyptic number.

65880955 is a deficient number, since it is larger than the sum of its proper divisors (24470117).

65880955 is a wasteful number, since it uses less digits than its factorization.

65880955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882325.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 65880955 is about 8116.7083845608. The cubic root of 65880955 is about 403.8808813767.

The spelling of 65880955 in words is "sixty-five million, eight hundred eighty thousand, nine hundred fifty-five".