85213855630 has 64 divisors (see below), whose sum is σ = 162176256000. Its totient is φ = 32148264960.

The previous prime is 85213855567. The next prime is 85213855667. The reversal of 85213855630 is 3655831258.

It is a happy number.

It is a super-2 number, since 2×85213855630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53829819 + ... + 53831401.

It is an arithmetic number, because the mean of its divisors is an integer number (2534004000).

Almost surely, 2^85213855630 is an apocalyptic number.

85213855630 is a deficient number, since it is larger than the sum of its proper divisors (76962400370).

85213855630 is a wasteful number, since it uses less digits than its factorization.

85213855630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 85213855630 in words is "eighty-five billion, two hundred thirteen million, eight hundred fifty-five thousand, six hundred thirty".