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78754507967 is a prime number
BaseRepresentation
bin100100101011000100…
…0100110110010111111
321112021112111112010102
41021112020212302333
52242242123223332
6100102422231315
75455416162332
oct1112610466277
9245245445112
1078754507967
1130443959523
121331a88553b
1375710a3095
143b515a6619
1520ade99062
hex1256226cbf

78754507967 has 2 divisors, whose sum is σ = 78754507968. Its totient is φ = 78754507966.

The previous prime is 78754507861. The next prime is 78754508009. The reversal of 78754507967 is 76970545787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78754507967 - 230 = 77680766143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78754527967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39377253983 + 39377253984.

It is an arithmetic number, because the mean of its divisors is an integer number (39377253984).

Almost surely, 278754507967 is an apocalyptic number.

78754507967 is a deficient number, since it is larger than the sum of its proper divisors (1).

78754507967 is an equidigital number, since it uses as much as digits as its factorization.

78754507967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103723200, while the sum is 65.

The spelling of 78754507967 in words is "seventy-eight billion, seven hundred fifty-four million, five hundred seven thousand, nine hundred sixty-seven".