870641455157573 has 16 divisors (see below), whose sum is σ = 961843863720960. Its totient is φ = 781448546626800.

The previous prime is 870641455157567. The next prime is 870641455157587. The reversal of 870641455157573 is 375751554146078.

It is a cyclic number.

It is not a de Polignac number, because 870641455157573 - 2¹⁰ = 870641455156549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870641455157273) 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, 11535038 + ... + 43293648.

It is an arithmetic number, because the mean of its divisors is an integer number (60115241482560).

Almost surely, 2^{870641455157573} is an apocalyptic number.

It is an amenable number.

870641455157573 is a deficient number, since it is larger than the sum of its proper divisors (91202408563387).

870641455157573 is a wasteful number, since it uses less digits than its factorization.

870641455157573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790248.

The product of its (nonzero) digits is 493920000, while the sum is 68.

The spelling of 870641455157573 in words is "eight hundred seventy trillion, six hundred forty-one billion, four hundred fifty-five million, one hundred fifty-seven thousand, five hundred seventy-three".