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85872038748 = 22317234153223
BaseRepresentation
bin100111111111001011…
…1110101001101011100
322012122120101112211120
41033332113311031130
52401331220214443
6103240555450540
76126663200046
oct1177627651534
9265576345746
1085872038748
1133466588771
1214786456a50
13813684a062
144228998a96
152378c7c083
hex13fe5f535c

85872038748 has 24 divisors (see below), whose sum is σ = 200484428928. Its totient is φ = 28607393136.

The previous prime is 85872038743. The next prime is 85872038767. The reversal of 85872038748 is 84783027858.

It is a junction number, because it is equal to n+sod(n) for n = 85872038691 and 85872038700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85872038743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055936 + ... + 2097287.

It is an arithmetic number, because the mean of its divisors is an integer number (8353517872).

Almost surely, 285872038748 is an apocalyptic number.

It is an amenable number.

85872038748 is an abundant number, since it is smaller than the sum of its proper divisors (114612390180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85872038748 is a wasteful number, since it uses less digits than its factorization.

85872038748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154953 (or 4154951 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 60.

The spelling of 85872038748 in words is "eighty-five billion, eight hundred seventy-two million, thirty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 1723 3446 5169 6892 10338 20676 4153223 8306446 12459669 16612892 24919338 49838676 7156003229 14312006458 21468009687 28624012916 42936019374 85872038748