85701420686338 has 4 divisors (see below), whose sum is σ = 128552131029510. Its totient is φ = 42850710343168.

The previous prime is 85701420686327. The next prime is 85701420686359. The reversal of 85701420686338 is 83368602410758.

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

It can be written as a sum of positive squares in only one way, i.e., 77195605926609 + 8505814759729 = 8786103^2 + 2916473^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425355171583 + ... + 21425355171586.

Almost surely, 2^{85701420686338} is an apocalyptic number.

85701420686338 is a deficient number, since it is larger than the sum of its proper divisors (42850710343172).

85701420686338 is a wasteful number, since it uses less digits than its factorization.

85701420686338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42850710343171.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 85701420686338 in words is "eighty-five trillion, seven hundred one billion, four hundred twenty million, six hundred eighty-six thousand, three hundred thirty-eight".