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76828823 is a prime number
BaseRepresentation
bin1001001010001…
…01000010010111
312100120022022222
410211011002113
5124132010243
611342412555
71622014511
oct445050227
9170508288
1076828823
113a4056a5
122189115b
1312bbcb56
14a2bcbb1
156b29168
hex4945097

76828823 has 2 divisors, whose sum is σ = 76828824. Its totient is φ = 76828822.

The previous prime is 76828811. The next prime is 76828849. The reversal of 76828823 is 32882867.

It is a weak prime.

It is an emirp because it is prime and its reverse (32882867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76828823 is a prime.

It is a super-3 number, since 3×768288233 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38414411 + 38414412.

It is an arithmetic number, because the mean of its divisors is an integer number (38414412).

Almost surely, 276828823 is an apocalyptic number.

76828823 is a deficient number, since it is larger than the sum of its proper divisors (1).

76828823 is an equidigital number, since it uses as much as digits as its factorization.

76828823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The square root of 76828823 is about 8765.2052457430. The cubic root of 76828823 is about 425.1165963832.

The spelling of 76828823 in words is "seventy-six million, eight hundred twenty-eight thousand, eight hundred twenty-three".