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80768007 = 328974223
BaseRepresentation
bin1001101000001…
…10110000000111
312121222102212200
410310012300013
5131134034012
612003045543
72000342145
oct464066007
9177872780
1080768007
1141656221
12230708b3
131396bb28
14aa26595
1571563dc
hex4d06c07

80768007 has 6 divisors (see below), whose sum is σ = 116664912. Its totient is φ = 53845332.

The previous prime is 80767963. The next prime is 80768021. The reversal of 80768007 is 70086708.

It is a happy number.

It is not a de Polignac number, because 80768007 - 28 = 80767751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80768407) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 4487103 + ... + 4487120.

It is an arithmetic number, because the mean of its divisors is an integer number (19444152).

Almost surely, 280768007 is an apocalyptic number.

80768007 is a deficient number, since it is larger than the sum of its proper divisors (35896905).

80768007 is a wasteful number, since it uses less digits than its factorization.

80768007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974229 (or 8974226 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 80768007 is about 8987.1022582365. The cubic root of 80768007 is about 432.2613997961.

The spelling of 80768007 in words is "eighty million, seven hundred sixty-eight thousand, seven".

Divisors: 1 3 9 8974223 26922669 80768007