64963047 has 8 divisors (see below), whose sum is σ = 86658544. Its totient is φ = 43288128.

The previous prime is 64963039. The next prime is 64963049. The reversal of 64963047 is 74036946.

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

It is not a de Polignac number, because 64963047 - 2³ = 64963039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64962996 and 64963014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64963049) by changing a digit.

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, 5193 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (10832318).

Almost surely, 2^64963047 is an apocalyptic number.

64963047 is a deficient number, since it is larger than the sum of its proper divisors (21695497).

64963047 is a wasteful number, since it uses less digits than its factorization.

64963047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 64963047 is about 8059.9656947161. The cubic root of 64963047 is about 401.9963676313.

The spelling of 64963047 in words is "sixty-four million, nine hundred sixty-three thousand, forty-seven".