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57378577079 is a prime number
BaseRepresentation
bin110101011100000001…
…111001101010110111
312111002210220201112102
4311130001321222313
51420002403431304
642205342012315
74100615600165
oct653401715267
9174083821472
1057378577079
112237479023a
12b153b7709b
135545626275
142ac4676235
15175c53ed1e
hexd5c079ab7

57378577079 has 2 divisors, whose sum is σ = 57378577080. Its totient is φ = 57378577078.

The previous prime is 57378577063. The next prime is 57378577103. The reversal of 57378577079 is 97077587375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57378577079 - 24 = 57378577063 is a prime.

It is a super-2 number, since 2×573785770792 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57378574079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28689288539 + 28689288540.

It is an arithmetic number, because the mean of its divisors is an integer number (28689288540).

Almost surely, 257378577079 is an apocalyptic number.

57378577079 is a deficient number, since it is larger than the sum of its proper divisors (1).

57378577079 is an equidigital number, since it uses as much as digits as its factorization.

57378577079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90757800, while the sum is 65.

The spelling of 57378577079 in words is "fifty-seven billion, three hundred seventy-eight million, five hundred seventy-seven thousand, seventy-nine".