80662904585 has 8 divisors (see below), whose sum is σ = 96797037960. Its totient is φ = 64529288704.

The previous prime is 80662904579. The next prime is 80662904591. The reversal of 80662904585 is 58540926608.

It is an interprime number because it is at equal distance from previous prime (80662904579) and next prime (80662904591).

It can be written as a sum of positive squares in 4 ways, for example, as 8840512576 + 71822392009 = 94024^2 + 267997^2 .

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 80662904585 - 2⁶ = 80662904521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446969 + ... + 600921.

It is an arithmetic number, because the mean of its divisors is an integer number (12099629745).

Almost surely, 2^80662904585 is an apocalyptic number.

It is an amenable number.

80662904585 is a deficient number, since it is larger than the sum of its proper divisors (16134133375).

80662904585 is a wasteful number, since it uses less digits than its factorization.

80662904585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258747.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 80662904585 in words is "eighty billion, six hundred sixty-two million, nine hundred four thousand, five hundred eighty-five".