855063089074 has 32 divisors (see below), whose sum is σ = 1374864480000. Its totient is φ = 398085577344.

The previous prime is 855063089059. The next prime is 855063089077. The reversal of 855063089074 is 470980360558.

It is a super-2 number, since 2×855063089074² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (855063089077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972899 + ... + 2366950.

It is an arithmetic number, because the mean of its divisors is an integer number (42964515000).

Almost surely, 2^855063089074 is an apocalyptic number.

855063089074 is a deficient number, since it is larger than the sum of its proper divisors (519801390926).

855063089074 is a wasteful number, since it uses less digits than its factorization.

855063089074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340002.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 855063089074 in words is "eight hundred fifty-five billion, sixty-three million, eighty-nine thousand, seventy-four".