7870816072417 has 8 divisors (see below), whose sum is σ = 8160040218600. Its totient is φ = 7582779705984.

The previous prime is 7870816072409. The next prime is 7870816072421. The reversal of 7870816072417 is 7142706180787.

It can be written as a sum of positive squares in 4 ways, for example, as 4397572567521 + 3473243504896 = 2097039^2 + 1863664^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7870816072417 - 2³ = 7870816072409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7870816072447) 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, 296931442 + ... + 296957947.

It is an arithmetic number, because the mean of its divisors is an integer number (1020005027325).

Almost surely, 2^{7870816072417} is an apocalyptic number.

It is an amenable number.

7870816072417 is a deficient number, since it is larger than the sum of its proper divisors (289224146183).

7870816072417 is a wasteful number, since it uses less digits than its factorization.

7870816072417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593889875.

The product of its (nonzero) digits is 7375872, while the sum is 58.

The spelling of 7870816072417 in words is "seven trillion, eight hundred seventy billion, eight hundred sixteen million, seventy-two thousand, four hundred seventeen".