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87080083535 = 5171024471571
BaseRepresentation
bin101000100011001100…
…0001010000001001111
322022202202112120202002
41101012120022001033
52411320000133120
6104000512222515
76201632332364
oct1210630120117
9268682476662
1087080083535
1133a26489695
1214a62b3aa3b
138299bca163
1443011c046b
1523e9d56375
hex144660a04f

87080083535 has 8 divisors (see below), whose sum is σ = 110642929776. Its totient is φ = 65566180480.

The previous prime is 87080083511. The next prime is 87080083549. The reversal of 87080083535 is 53538008078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87080083535 - 222 = 87075889231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87080083535.

It is a congruent number.

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, 512235701 + ... + 512235870.

It is an arithmetic number, because the mean of its divisors is an integer number (13830366222).

Almost surely, 287080083535 is an apocalyptic number.

87080083535 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87080083535 is a deficient number, since it is larger than the sum of its proper divisors (23562846241).

87080083535 is a wasteful number, since it uses less digits than its factorization.

87080083535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024471593.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 87080083535 in words is "eighty-seven billion, eighty million, eighty-three thousand, five hundred thirty-five".

Divisors: 1 5 17 85 1024471571 5122357855 17416016707 87080083535