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8027897856 = 22331129
BaseRepresentation
bin1110111101000000…
…00000000000000000
3202201110220110120020
413132200000000000
5112420120212411
63404333413440
7402640002006
oct73640000000
922643813506
108027897856
11344a5a2530
12168063a280
139ac260324
1456228aa76
1531ebab606
hex1de800000

8027897856 has 192 divisors, whose sum is σ = 24159189600. Its totient is φ = 2348810240.

The previous prime is 8027897821. The next prime is 8027897869. The reversal of 8027897856 is 6587987208.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 8027897856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276824050 + ... + 276824078.

Almost surely, 28027897856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8027897856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12079594800).

8027897856 is an abundant number, since it is smaller than the sum of its proper divisors (16131291744).

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

8027897856 is an frugal number, since it uses more digits than its factorization.

8027897856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The square root of 8027897856 is about 89598.5371309153. The cubic root of 8027897856 is about 2002.3221241596.

The spelling of 8027897856 in words is "eight billion, twenty-seven million, eight hundred ninety-seven thousand, eight hundred fifty-six".