64867503835 has 8 divisors (see below), whose sum is σ = 78435211536. Its totient is φ = 51497865120.

The previous prime is 64867503829. The next prime is 64867503859. The reversal of 64867503835 is 53830576846.

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

It is not a de Polignac number, because 64867503835 - 2⁷ = 64867503707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49516524 + ... + 49517833.

It is an arithmetic number, because the mean of its divisors is an integer number (9804401442).

Almost surely, 2^64867503835 is an apocalyptic number.

64867503835 is a deficient number, since it is larger than the sum of its proper divisors (13567707701).

64867503835 is a wasteful number, since it uses less digits than its factorization.

64867503835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99034493.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 64867503835 in words is "sixty-four billion, eight hundred sixty-seven million, five hundred three thousand, eight hundred thirty-five".