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86416879 = 475573301
BaseRepresentation
bin1010010011010…
…01110111101111
320000121102200011
411021221313233
5134110320004
612324114051
72066350153
oct511516757
9200542604
1086416879
114486430a
1224b35927
1314b99063
14b697063
1578c0004
hex5269def

86416879 has 8 divisors (see below), whose sum is σ = 88440768. Its totient is φ = 84400800.

The previous prime is 86416873. The next prime is 86416919. The reversal of 86416879 is 97861468.

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

It is a cyclic number.

It is not a de Polignac number, because 86416879 - 221 = 84319727 is a prime.

It is a super-2 number, since 2×864168792 = 14935753952201282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86416873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24529 + ... + 27829.

It is an arithmetic number, because the mean of its divisors is an integer number (11055096).

Almost surely, 286416879 is an apocalyptic number.

86416879 is a deficient number, since it is larger than the sum of its proper divisors (2023889).

86416879 is a wasteful number, since it uses less digits than its factorization.

86416879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its digits is 580608, while the sum is 49.

The square root of 86416879 is about 9296.0679321958. The cubic root of 86416879 is about 442.1125662807.

The spelling of 86416879 in words is "eighty-six million, four hundred sixteen thousand, eight hundred seventy-nine".

Divisors: 1 47 557 3301 26179 155147 1838657 86416879