870646577216405 has 8 divisors (see below), whose sum is σ = 1139755519265184. Its totient is φ = 633197510702800.

The previous prime is 870646577216401. The next prime is 870646577216497. The reversal of 870646577216405 is 504612775646078.

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

It is not a de Polignac number, because 870646577216405 - 2² = 870646577216401 is a prime.

It is a super-2 number, since 2×870646577216405² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870646577216401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7914968883731 + ... + 7914968883840.

It is an arithmetic number, because the mean of its divisors is an integer number (142469439908148).

Almost surely, 2^{870646577216405} is an apocalyptic number.

It is an amenable number.

870646577216405 is a deficient number, since it is larger than the sum of its proper divisors (269108942048779).

870646577216405 is a wasteful number, since it uses less digits than its factorization.

870646577216405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829937767587.

The product of its (nonzero) digits is 474163200, while the sum is 68.

The spelling of 870646577216405 in words is "eight hundred seventy trillion, six hundred forty-six billion, five hundred seventy-seven million, two hundred sixteen thousand, four hundred five".