64803069287 has 4 divisors (see below), whose sum is σ = 70694257416. Its totient is φ = 58911881160.

The previous prime is 64803069251. The next prime is 64803069299. The reversal of 64803069287 is 78296030846.

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

It is not a de Polignac number, because 64803069287 - 2¹⁰ = 64803068263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64803069187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945594048 + ... + 2945594069.

It is an arithmetic number, because the mean of its divisors is an integer number (17673564354).

Almost surely, 2^64803069287 is an apocalyptic number.

64803069287 is a deficient number, since it is larger than the sum of its proper divisors (5891188129).

64803069287 is a wasteful number, since it uses less digits than its factorization.

64803069287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891188128.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 64803069287 in words is "sixty-four billion, eight hundred three million, sixty-nine thousand, two hundred eighty-seven".