870127870499 has 4 divisors (see below), whose sum is σ = 871657094040. Its totient is φ = 868598646960.

The previous prime is 870127870487. The next prime is 870127870519. The reversal of 870127870499 is 994078721078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994078721078 = 2 ⋅497039360539.

It is a cyclic number.

It is not a de Polignac number, because 870127870499 - 2¹⁶ = 870127804963 is a prime.

It is a super-2 number, since 2×870127870499² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870127870429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764610917 + ... + 764612054.

It is an arithmetic number, because the mean of its divisors is an integer number (217914273510).

Almost surely, 2^870127870499 is an apocalyptic number.

870127870499 is a deficient number, since it is larger than the sum of its proper divisors (1529223541).

870127870499 is a wasteful number, since it uses less digits than its factorization.

870127870499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529223540.

The product of its (nonzero) digits is 14224896, while the sum is 62.

The spelling of 870127870499 in words is "eight hundred seventy billion, one hundred twenty-seven million, eight hundred seventy thousand, four hundred ninety-nine".