84770086317 has 8 divisors (see below), whose sum is σ = 129173464896. Its totient is φ = 48440049312.

The previous prime is 84770086309. The next prime is 84770086319. The reversal of 84770086317 is 71368007748.

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

It is not a de Polignac number, because 84770086317 - 2³ = 84770086309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84770086317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84770086319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018335368 + ... + 2018335409.

It is an arithmetic number, because the mean of its divisors is an integer number (16146683112).

Almost surely, 2^84770086317 is an apocalyptic number.

It is an amenable number.

84770086317 is a deficient number, since it is larger than the sum of its proper divisors (44403378579).

84770086317 is a wasteful number, since it uses less digits than its factorization.

84770086317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036670787.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 84770086317 in words is "eighty-four billion, seven hundred seventy million, eighty-six thousand, three hundred seventeen".