65692985 has 8 divisors (see below), whose sum is σ = 79160136. Its totient is φ = 52335360.

The previous prime is 65692973. The next prime is 65692993. The reversal of 65692985 is 58929656.

It can be written as a sum of positive squares in 4 ways, for example, as 27290176 + 38402809 = 5224^2 + 6197^2 .

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

It is not a de Polignac number, because 65692985 - 2⁴ = 65692969 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

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, 26054 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (9895017).

Almost surely, 2^65692985 is an apocalyptic number.

It is an amenable number.

65692985 is a deficient number, since it is larger than the sum of its proper divisors (13467151).

65692985 is a wasteful number, since it uses less digits than its factorization.

65692985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54763.

The product of its digits is 1166400, while the sum is 50.

The square root of 65692985 is about 8105.1209121148. The cubic root of 65692985 is about 403.4964009860.

The spelling of 65692985 in words is "sixty-five million, six hundred ninety-two thousand, nine hundred eighty-five".