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868088087 = 4671858861
BaseRepresentation
bin110011101111011…
…111100100010111
32020111110102222122
4303233133210113
53234212304322
6222050050155
730340425026
oct6357374427
92214412878
10868088087
11406016479
1220287995b
1310ab023b9
14834108bd
1551326442
hex33bdf917

868088087 has 4 divisors (see below), whose sum is σ = 869947416. Its totient is φ = 866228760.

The previous prime is 868088077. The next prime is 868088101. The reversal of 868088087 is 780880868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868088087 - 210 = 868087063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868088027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928964 + ... + 929897.

It is an arithmetic number, because the mean of its divisors is an integer number (217486854).

Almost surely, 2868088087 is an apocalyptic number.

868088087 is a deficient number, since it is larger than the sum of its proper divisors (1859329).

868088087 is a wasteful number, since it uses less digits than its factorization.

868088087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859328.

The product of its (nonzero) digits is 1376256, while the sum is 53.

The square root of 868088087 is about 29463.3346211864. The cubic root of 868088087 is about 953.9404518587.

The spelling of 868088087 in words is "eight hundred sixty-eight million, eighty-eight thousand, eighty-seven".

Divisors: 1 467 1858861 868088087