64608783 has 4 divisors (see below), whose sum is σ = 86145048. Its totient is φ = 43072520.

The previous prime is 64608751. The next prime is 64608787. The reversal of 64608783 is 38780646.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64608783 - 2⁵ = 64608751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64608787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10768128 + ... + 10768133.

It is an arithmetic number, because the mean of its divisors is an integer number (21536262).

Almost surely, 2^64608783 is an apocalyptic number.

64608783 is a deficient number, since it is larger than the sum of its proper divisors (21536265).

64608783 is a wasteful number, since it uses less digits than its factorization.

64608783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536264.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 64608783 is about 8037.9588827015. The cubic root of 64608783 is about 401.2642975855.

The spelling of 64608783 in words is "sixty-four million, six hundred eight thousand, seven hundred eighty-three".