64783705900714 has 8 divisors (see below), whose sum is σ = 97175653606980. Its totient is φ = 32391821365056.

The previous prime is 64783705900699. The next prime is 64783705900717. The reversal of 64783705900714 is 41700950738746.

It can be written as a sum of positive squares in 2 ways, for example, as 64004400075625 + 779305825089 = 8000275^2 + 882783^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64783705900717) 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, 13139679 + ... + 17384434.

Almost surely, 2^{64783705900714} is an apocalyptic number.

64783705900714 is a deficient number, since it is larger than the sum of its proper divisors (32391947706266).

64783705900714 is a wasteful number, since it uses less digits than its factorization.

64783705900714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31585304.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 64783705900714 in words is "sixty-four trillion, seven hundred eighty-three billion, seven hundred five million, nine hundred thousand, seven hundred fourteen".