465978845 has 8 divisors (see below), whose sum is σ = 559381464. Its totient is φ = 372645184.

The previous prime is 465978839. The next prime is 465978869. The reversal of 465978845 is 548879564.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 464273209 = 1306^2 + 21547^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465978845 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 974 + ... + 30543.

It is an arithmetic number, because the mean of its divisors is an integer number (69922683).

Almost surely, 2^465978845 is an apocalyptic number.

It is an amenable number.

465978845 is a deficient number, since it is larger than the sum of its proper divisors (93402619).

465978845 is a wasteful number, since it uses less digits than its factorization.

465978845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34479.

The product of its digits is 9676800, while the sum is 56.

The square root of 465978845 is about 21586.5431461362. The cubic root of 465978845 is about 775.2743225897.

The spelling of 465978845 in words is "four hundred sixty-five million, nine hundred seventy-eight thousand, eight hundred forty-five".