63077945 has 24 divisors (see below), whose sum is σ = 89193600. Its totient is φ = 42692832.

The previous prime is 63077909. The next prime is 63077969. The reversal of 63077945 is 54977036.

63077945 = 186² + 187² + ... + 580².

It is not a de Polignac number, because 63077945 - 2¹² = 63073849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17726 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (3716400).

Almost surely, 2^63077945 is an apocalyptic number.

It is an amenable number.

63077945 is a deficient number, since it is larger than the sum of its proper divisors (26115655).

63077945 is a wasteful number, since it uses less digits than its factorization.

63077945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 63077945 is about 7942.1624888943. The cubic root of 63077945 is about 398.0697524271.

The spelling of 63077945 in words is "sixty-three million, seventy-seven thousand, nine hundred forty-five".