870612138223505 has 16 divisors (see below), whose sum is σ = 1049424025595904. Its totient is φ = 693363431186880.

The previous prime is 870612138223489. The next prime is 870612138223507. The reversal of 870612138223505 is 505322831216078.

It is not a de Polignac number, because 870612138223505 - 2⁴ = 870612138223489 is a prime.

It is a super-3 number, since 3×870612138223505³ (a number of 46 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870612138223507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275911232 + ... + 279048798.

It is an arithmetic number, because the mean of its divisors is an integer number (65589001599744).

Almost surely, 2^{870612138223505} is an apocalyptic number.

It is an amenable number.

870612138223505 is a deficient number, since it is larger than the sum of its proper divisors (178811887372399).

870612138223505 is a wasteful number, since it uses less digits than its factorization.

870612138223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386656.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 870612138223505 in words is "eight hundred seventy trillion, six hundred twelve billion, one hundred thirty-eight million, two hundred twenty-three thousand, five hundred five".